Related
Ok, I extracted the boot system and flexrom from my brothers A500 which has Acer_A500_1.105.01_EMEA_GEN3 (unzip to see the update.zip, flexrom.img, boot.img and system.img).
Download here.
Let me explain what I did to restore mine to stock.
I bricked my device but thanks to the update.zip from this thread I was able to recover it.
Next I flashed the system.img and flexrom.img with the following commands in ADB (you need root obviously)
Important: in this order!
ADB shell
su
dd if=/sdcard/flexrom.img of=/dev/block/mmcblk0p6
(takes about 30 secs, 100 MB)
dd if=/sdcard/system.img of=/dev/block/mmcblk0p3
(takes a couple minutes, it's 600 MB)
First I tried to flash the boot.img also but this resulted in an LNX checksum error during start-up and had to re-apply the update.zip. So don't do this.
After the flexrom.img and system.img were flashed I rebooted the A500. Note: the A500 will be unresponsive after flashing system.img so you have to reboot manually (holding power button).
I was able to select the proper language (Dutch in my case). But wifi wasn't working so I had to make this working again using these files (depending on your kernel). You can restore wifi using this post. You might need to run gingerbreak again for root.
After that was working I was given the option to update . I tried the update but it failed due to the boot.img. I rebooted the A500 and flashed the boot.img using ADB with this command.
ADB shell
su
dd if=/sdcard/boot.img of=/dev/block/mmcblk0p2
(takes a couple seconds, only 8 MB)
After it is finished do not reboot!! as this will result in a LNX checksum error.
Then I ran the update and it was successful. Tadaa stock A500 with firmware Acer_A500_1.141.01_EMEA_GEN3.
In any case your device doesn't offer you the update I included it with the download. The update.zip came from this post. In that case I would think you first flash boot.img and then reboot with the vol - button pressed while update.zip on your EXT_SD.
I hope this will help some people.
I redid the whole guide to check for errors and I found non.
What's new? Thanks for sharing
Nothing's new but this a way to restore your A500 back to Acer_A500_1.141.01_EMEA_GEN3 if you had to restore the tablet with an foreign update.zip.
i c. thank you.
Always keep a backup of the following partitions for any firmware version you want to restore to. (ie. i have these for my original 1.104.02 and 1.141.07).
mmcblk0p1 (recovery)
mmcblk0p2 (boot)
mmcblk0p3 (system)
mmcblk0p5 (misc)
mmcblk0p6 (flexrom)
mmcblk0p7 (??)
If bricked, use any of the base update.zips to get back to a bootable tablet.
Then to restore to your given version:
1. Push all your backup files to your device with the DD command EXCEPT mmcblk0p3 (system).
2. Run itsmagic to update the checksums
3. Push the mmcblk0p3 file last (this will cause the tab to lock up).
4. Reboot
If running the dd command from adb shell, you'll see when it finishes the push. If running it from a terminal emulator, give step 3 at least 5 full minutes to complete before rebooting.
I did this last night with my original 1.104.02 backup and then took the OTA to 1.141.07. worked perfectly.
Edit: I'm gonna update my rom flasher app to do this whole procedure
spaanplaat said:
Ok, I extracted the boot system and flexrom from my brothers A500 which has Acer_A500_1.105.01_EMEA_GEN3 (unzip to see the update.zip, flexrom.img, boot.img and system.img).
Download here.
Let me explain what I did to restore mine to stock.
I bricked my device but thanks to the update.zip from this thread I was able to recover it.
Next I flashed the system.img and flexrom.img with the following commands in ADB (you need root obviously)
Important: in this order!
ADB shell
su
dd if=/sdcard/flexrom.img of=/dev/block/mmcblk0p6
(takes about 30 secs, 100 MB)
dd if=/sdcard/system.img of=/dev/block/mmcblk0p3
(takes a couple minutes, it's 600 MB)
First I tried to flash the boot.img also but this resulted in an LNX checksum error during start-up and had to re-apply the update.zip. So don't do this.
After the flexrom.img and system.img were flashed I rebooted the A500. Note: the A500 will be unresponsive after flashing system.img so you have to reboot manually (holding power button).
I was able to select the proper language (Dutch in my case). But wifi wasn't working so I had to make this working again using these files (depending on your kernel). You can restore wifi using this post. You might need to run gingerbreak again for root.
After that was working I was given the option to update . I tried the update but it failed due to the boot.img. I rebooted the A500 and flashed the boot.img using ADB with this command.
ADB shell
su
dd if=/sdcard/boot.img of=/dev/block/mmcblk0p2
(takes a couple seconds, only 8 MB)
After it is finished do not reboot!! as this will result in a LNX checksum error.
Then I ran the update and it was successful. Tadaa stock A500 with firmware Acer_A500_1.141.01_EMEA_GEN3.
In any case your device doesn't offer you the update I included it with the download. The update.zip came from this post. In that case I would think you first flash boot.img and then reboot with the vol - button pressed while update.zip on your EXT_SD.
I hope this will help some people.
I redid the whole guide to check for errors and I found non.
Click to expand...
Click to collapse
"Then I ran the update and it was successful. Tadaa stock A500 with firmware Acer_A500_1.141.01_EMEA_GEN3."
how you run the update if cannot reboot, i need to be clear the step before can proceed. thanks.
Euclid's Brother said:
Always keep a backup of the following partitions for any firmware version you want to restore to. (ie. i have these for my original 1.104.02 and 1.141.07).
mmcblk0p1 (recovery)
mmcblk0p2 (boot)
mmcblk0p3 (system)
mmcblk0p5 (misc)
mmcblk0p6 (flexrom)
mmcblk0p7 (??)
If bricked, use any of the base update.zips to get back to a bootable tablet.
Then to restore to your given version:
1. Push all your backup files to your device with the DD command EXCEPT mmcblk0p3 (system).
2. Run itsmagic to update the checksums
3. Push the mmcblk0p3 file last (this will cause the tab to lock up).
4. Reboot
If running the dd command from adb shell, you'll see when it finishes the push. If running it from a terminal emulator, give step 3 at least 5 full minutes to complete before rebooting.
I did this last night with my original 1.104.02 backup and then took the OTA to 1.141.07. worked perfectly.
Edit: I'm gonna update my rom flasher app to do this whole procedure
Click to expand...
Click to collapse
Thanks for sharing. I will make a backup just in case.
mrlonely78 said:
"Then I ran the update and it was successful. Tadaa stock A500 with firmware Acer_A500_1.141.01_EMEA_GEN3."
how you run the update if cannot reboot, i need to be clear the step before can proceed. thanks.
Click to expand...
Click to collapse
First you flash the boot.img but do not reboot (if you manually reboot you will get the LNX checksum error). Then check for the update. Once the update is downloaded it will automatically reboot to install the update. This is no problem as it will first check if there is a proper boot.img and then flash the update (it goes into recovery instead of just booting).
Post 1: Rooting, Flashing:
- To install an ICS or JB rom you NEED skrilax_cz unlocked bootloader
- Flashing the skrilax_cz bootloader and custom recovery
- Updating or Flashing a different recovery
- ics root methods
Post 2: How to use an update.zip Method
- Fix "Stuck on Acer Logo"
- Revert to stock
Post 3:How to unbrick your Tab...nvFlash Method
- Fix "nvFlash partition errors" with "babsector.rar"
- timmydeans EUU root tool- Repairing "Stuck in apx mode"
- Running nvFlash from the command line
- Archived nvFlash files and original threads
- How to use fastboot
Please read carefully and thoroughly all the steps before you start...if something is not clear then feel free to ask...its easy to softbrick your tab and not as easy to unbrick it...
You will need your CPUID - this cannot be said enough!!! Please do not attempt any flashing until you have a copy of it stored safely!!!
Bear in mind - installing custom roms and a recovery IS NOT DONE the same way as on your phone or other android device!!!
You must install the "skrilax_cz unlocked v8 bootloader" to install a custom rom/recovery
There is alot that can go wrong and you will need to follow the directions to the letter.
If you are stuck with the acer logo on boot or faced with a dead android or a recovery verified failed, when booting to recovery
then you have not followed the correct procedure and at the very best will need to do this all over again.
Before you go any further and while you can still boot into your tab - please retrieve your CPUID - see my guide here
Summary of Steps to flashing the skrilax_cz unlocked bootloader and custom recovery using nvFlash
Step 1. Install the Acer Drivers here and the USB drivers from the Android SDK here
Step 2. Retrieve your CPUID
then head to blackthund3rs site to generate your sbk
dibb_nz said:
How To Retrieve Your CPUID
Gersma's AfterOTA Lite retrieves all your ID's and saves them to a text file get it here
From a working system in /sys/firmware/fuse/acer_cpuid
Click to expand...
Click to collapse
Step 3. If you are running factory stock - you will need to rename or delete "the boot.p file" in /system to prevent your custom recovery being overwritten
- Use blackthund3rs ICSRoot here which will rename "the boot.p file" for you
- Have your Custom Rom downloaded and copied to your External SD Card ready to install immediatelyafter flashing skrilax's patched bootloader
- You are now ready to proceed with the "installation" you will also be asked to choose a Custom Recovery (CWM, TWRP,or Public)
Step 4. There are a couple of ways of doing this, manually or with one of the Auto Tools
- civato's manual nvFlash download and Guide and a walkthrough here
- Download gersma's afterOTA Tool if you have OTA'ed to ICS
- Download blackthund3rs apxFlash Tool and a walkthrough here
Step 5.To Manually Enter APX Mode
To get into APX mode, power off the tab.
Then, press the reset button (use a paper clip).
While still holding reset, hold power for 3 seconds.
Then, release power. Release reset after 1 more second.
The screen will be blank, but you are in APX mode (the power light should be on).
Click to expand...
Click to collapse
Once the flash is complete, boot directly to Recovery, Do a Wipe and Format and install your Rom!!
Moscow Desire said:
When you boot to CWM Recovery, you have a menu item "Wipes"
In Wipes;
1. Data/Factory Reset (don't worry, it skips your photos and such)
2. Cache
3. Dalvik Cache
Wait, you're not finished.
Go back to the previous menu, and select "Mounts and Storage".
1. Format System
2. Format Flexrom
Click to expand...
Click to collapse
NOTE: You may need to do a FULL WIPE AND FORMAT - to do this, enter recovery
Click to expand...
Click to collapse
In CWM select "Backup and Restore"
click on "Toggle backup and restore of internal storage (/data/media)"
should say enabled....
from the main menu select "Mounts and Storage" and "format /data"
this will REALLY format data and all your data and settings will be lost.
Click to expand...
Click to collapse
I have the unlocked bootloader: how do I update or change my recovery?
Only a few custom recovery's are compatable with ICS Custom roms, I've attached these to this post and they need to flashed via fastboot
Via Recovery:
There are some flashable zips around so copy the zip to your external sd or flash drive
boot to recovery and choose:
Install from zip option
Navigate to the zip and flash!!
Via fastboot see Post 3 for using fastboot
Use Acer Recovery Installer from the playstore
Please note again this is only possible with the unlocked bootloader
I'm on a stock rom, How do I root, I don't want a custom rom or recovery?
If you're happy with Acers Stock Rom?? and just want root, there are a couple of options:
blackthund3rs icsRoot.zip in Step 3 above - extract and run the .exe...Done
Original thread [ROOT] Stock ICS Leak One-Click Root Tool
For those wanting to root manually ZeroNull's method Full root for A50x ICS 4.0.3[LEAK]. Simple method.
_______________________________________________________________________________________________
if links arent working or you think something needs to be added or changed
please pm me...
if you're having troubles feel free to ask, I'll do my best to help
...thanx all
When Things Go Bad....How to unbrick
Download Links to Unbrick your Tab
1. update.zip method using HC 3.1_Full_Update.zip
Notes on use:
- rename the zip to "update.zip" and flash either using cwm or "pwr/volume down"
- you can flash the v8 bootloader from HC 3.1 if you want to ---
- You can restore a nandroid backup or flash an HC rom from here too, first you need to rootby installing iconiaroot then flash a custom recovery using Acer Recovery Installer
- oh how easy it all was on HC 3.1
- es File Explorer download here
Use this update.zip for any of the following:
- You do not have your cpuid
- You are stuck on the "Acer" Logo
- Your tab boots past the Acer Logo but then boot loops at the boot animation
- You are on the old HC bootloader /ICS Rom combination
- You wish to return to factory stock, and OTA all the way to Stock ICS
You CANNOT use the update.zip method if:
- You are stuck in apx mode
- You have unsuccessfully nvflashed skrilax_cz unlocked bootloader or timmydeans root tool-tdv4
- You have boot verified failed error
(Please see the EUU/nvFlash Method below to repair these issues)
HC 3.1 FULL_update.zip
************************************************************
2. nvFlash/apx/EUU method
you MUST use this if:
- the update.zip has not worked for you
- you do not have an external sd_card
- flashing the unlocked bootloader has failed
- your partitions are screwed up
timmydeans root tool -tdv4- will reset partitions, and downgrades you to a pre-rooted HC3.2.1 with cwm 1.7
To Downgrade using tdv4:
1. Do not connect your tab to your pc
2. Run the tool till you see the window telling you to put yr tab in apxmode
3. Put your tab in MANUAL apx mode using the button combo
4. Connect your tab to your pc now
5. Let the tool continue - you should see the big white PASS when its done!
***********************
BABSECTOR.RAR
***********************
***********************
babsector.rar download here - will reset partitions when tdv4 will not work for some reason
How to use babsector -
Turn your tab off and put it in apx mode manually. Press and hold reset button, hold power for 3 secs after the light comes on and release it, after another second release the reset button. Your screen is black and the power light is on.
On your PC:
Download and extract the .rar to a folder on your PC
Connect your tab to your PC
Navigate to the babsector folder and click on 501 A.bat
On your tab:
Reboot into recovery power/volume DOWN - (closest end to the power button)
Go to Mounts and Storage Menu and
Format - System, Data, Flexrom, Cache
Then flash your ICS/JB rom, power off.
Go back into apx mode and run 501 B.bat
Reboot into recovery and do the wipes
Reboot!!!
Click to expand...
Click to collapse
Official Acer a500 EUU 3.0.1 EUUs_SBK_Acer_A500_1.016.05_COM_GEN1.rar
3. Stuck with Black Screen and Power LED Light is on
This can happen "just like that" for no particular reason or after an OTA - if this is the case, its more than likely caused by a faulty memory chip on the motherboard - the ONLY fix for this is a replacement m/b from Acer..
Most likely though it happens by trying to flash a recovery or bootloader via Custom Recovery or a Rom Manager or Acer Recovery Installer - the first time bootloader flash must be done using nvFlash - OR if you've tried to flash BEFORE your tab has entered "Acer Download Mode" as displayed on your tabs screen
If you are using one of the auto flash tools and the tool seems to get somewhere - do not carry on -
1. use "safely remove hardware" icon in the PC system tray to eject the "APX Device"
1a. if there is no apx device listed here - then you need to install the drivers correctly then try the flash again...
2. next close the tool down and disconnect the usb cable
3. reboot both tab and PC
4. Once you;re back in windows connect your usb cable to your tab
5 Check the Acer-Picasso boot/recovery driver has installed
6. Proceed with the flash again
Getting out of APX Mode
If worse comes to worse and you are definitely stuck in APX Mode then download the archived file nvFlash.zip which will only flash the v2 unlocked bootloader - to flash a recovery image you'll need to download one and copy it to the nvflash folder.
1) extract "nvFlash" to C:\nvflash
2) pwr your tab OFF and ensure the Pwr LED lite is off
3) Manually put your tab in APX Mode
4) Connect your micro usb cable to your PC
5) Ensure your PC lists an "apx device"
6) Open a command prompt on C:\nvflash
7) Follow the steps below from vache:
vache said:
launch this to load bootloader :
Code:
nvflash --bct bct.bct --setbct --bl bootloader.bin --configfile flash.cfg --odmdata 0x300d8011 --sbk [B]MYSKB[/B] --sync
Of course, change MYSBK with yours.
Next, flash the bootloader :
Code:
nvflash -r --format_partition 4
nvflash -r --download 4 bootloader.bin
If you want to flash a recovery :
Code:
nvflash -r --format_partition 6
nvflash -r --download 6 myrecovery.img
or a new boot :
Code:
nvflash -r --format_partition 7
nvflash -r --download 6 myboot.img
To leave APX mode :
Code:
nvflash -r --go
Click to expand...
Click to collapse
Archived Files:
These files are the ones civato packaged for the "v8 unlocked bootlader.zip"
Original nvFlash zip files from "vache" and
"strra's" original batch file with the v2 bootloader from "skrilax_cz" & cwm 1.7.2 -
and the original nvFlash guide from jm77 from this thread
How to use fastboot
Fastboot works the same as adb by issuing commands from your PC
1. Put your tab in Fastboot Mode - Hold down the Volume UP button and press power button until your tab vibrates
2. Choose fastboot mode from the menu
3. Hook your tab to your PC
4. On your PC navigate to the folder where fastboot.exe/adb.exe are located
5. Open a command prompt on this folder
Run the following commands
Code:
fastboot devices
it should return a ?
To perform a Hard Reset or FULL WIPE your device
then type in:
Code:
fastboot erase userdata
fastboot erase cache
fastboot reboot
To flash a "recovery.img"
You'll need an actual recovery.img for this one, I've attached a couple to this post
These can be found in the unlocked bootloader packages
Copy "name_of_your_new_recovery.img" to your fastboot/adb folder
Hook up your PC and on your tab enter fastboot mode
Issue these commands"
Code:
fastboot devices
it should return a ?
Code:
fastboot flash recovery name_of_your_new_recovery.img
should say Done
Code:
fastboot reboot
quickly hold in the volume down button while it reboots - if you time it right it should boot to recovery...otherwise just power it down then try again
Thanks go to civato, blackthund3r, skrilax_cz, gersma, vache, strra, sp3dev
Hi
I have my A500 rooted. I DO have my CPUID and SBK
When I tried to flash unlocked bootloader with Blackthund3rs' program, it stucked on Stage 2.
I think I did the Babsector
Run a501 A.bat, but unable to Run a501 B. (unable to get in to APX mode for some reason)
then I used afterOTA (standard method)
Somehow I got the CWM Recovery 1.7.3 on the tab, some Error message when I am in the Recovery.
When I do the wipe and format following this: (from TegraOwner site)
"here's how to:
go to in recovery enter "Backup and Restore" and click on "Toggle backup and restore of internal storage (/data/media)"
should say enabled....
then go into "Mounts and Storage" and "format /data"
I get this:
Backup and Restore /data/media: Enabled
E:Can't mount /cache/recovery/log
E:Can't open /cache/recovery/log
E:Can't mount /cache/recovery/last_log
E:Can't open /cache/recovery/last_log
Formatting /data...
E:format_volume: make_extf4fs failed on /dev/block/mmcblk0p8
Error formating /data!
I am unable to flash the V170, or any other ICS ROM (encryption unsuccessful...)
Able to flash the JB V20, but only with about 60 MB left on the internal storage (I have the 8GB unit), unable to install any apps, only thing I can do is surfing internet.
The Storage under Setting shows:
Internal Storage: total space 0.00B
Micro SD CARD: total space 29.71GB
But when I press the Gallery or camera, it says No Storage, No external storage available.
Do you have any idea about what's going on with my tab? What should I do next?
Thanks
---------- Post added at 02:23 PM ---------- Previous post was at 01:50 PM ----------
Hi
I have my A500 rooted. I DO have my CPUID and SBK
When I tried to flash unlocked bootloader with Blackthund3rs' program, it stucked on Stage 2.
I think I did the Babsector
Run a501 A.bat, but unable to Run a501 B.bat (unable to get in to APX mode for some reason)
then I used afterOTA (standard method)
Somehow I got the CWM Recovery 1.7.3 on the tab, some Error message when I am in the Recovery.
When I do the wipe and format following this: (from TegraOwner site)
"here's how to:
go to in recovery enter "Backup and Restore" and click on "Toggle backup and restore of internal storage (/data/media)"
should say enabled....
then go into "Mounts and Storage" and "format /data"
I get this:
Backup and Restore /data/media: Enabled
E:Can't mount /cache/recovery/log
E:Can't open /cache/recovery/log
E:Can't mount /cache/recovery/last_log
E:Can't open /cache/recovery/last_log
Formatting /data...
E:format_volume: make_extf4fs failed on /dev/block/mmcblk0p8
Error formating /data!
I am unable to flash the V170, or any other ICS ROM (encryption unsuccessful...)
Able to flash the JB V20, but only with about 60 MB left on the internal storage (I have the 8GB unit), unable to install any apps, only thing I can do is surfing internet.
The Storage under Setting shows:
Internal Storage: total space 0.00B
Micro SD CARD: total space 29.71GB
But when I press the Gallery or camera, it says No Storage, No external storage available.
Do you have any idea about what's going on with my tab? What should I do next?
Thanks
appple said:
Hi
I have my A500 rooted. I DO have my CPUID and SBK
Click to expand...
Click to collapse
good:good::good:
When I tried to flash unlocked bootloader with Blackthund3rs' program, it stucked on Stage 2.
Click to expand...
Click to collapse
theres a couple of different errors you can get at "stage 2" uploading image, ebt, bct or partitioning - did u see which one?
I think I did the Babsector Run a501 A.bat, but unable to Run a501 B. (unable to get in to APX mode for some reason)
Click to expand...
Click to collapse
you could have tried putting yr tab in apx mode manually and to check an "apx device" is listed...if its not its a driver issue
then I used afterOTA (standard method)
Click to expand...
Click to collapse
I assume you were running stock OTA ICS??
Somehow I got the CWM Recovery 1.7.3 on the tab, some Error message when I am in the Recovery
Click to expand...
Click to collapse
thats weird - didnt think afterOTA came with 1.7.3 - i may be wrong tho'
When I do the wipe and format following this: (from TegraOwner site)
"here's how to:
go to in recovery enter "Backup and Restore" and click on "Toggle backup and restore of internal storage (/data/media)"
should say enabled....
then go into "Mounts and Storage" and "format /data"
I get this:
Backup and Restore /data/media: Enabled
E:Can't mount /cache/recovery/log
E:Can't open /cache/recovery/log
E:Can't mount /cache/recovery/last_log
E:Can't open /cache/recovery/last_log
Formatting /data...
E:format_volume: make_extf4fs failed on /dev/block/mmcblk0p8
Error formating /data!
Click to expand...
Click to collapse
eewwww thats ugly!!!
Do you still have the unlocked bootloader???
You may need to boot into fastboot mode (pwr-vol+) and
Code:
fastboot erase /cache
fastboot erase /userdata
fastboot reboot
I am unable to flash the V170, or any other ICS ROM (encryption unsuccessful...)Able to flash the JB V20, but only with about 60 MB left on the internal storage (I have the 8GB unit), unable to install any apps, only thing I can do is surfing internet.
Click to expand...
Click to collapse
Not sure I can help with tegra-owners JB rom - I know it doesnt require the unlocked BL - but there've been a few folks on here that have had issues with it (myself included) not sure why and didn't spend alot of time trying to figure it out - I just reflashed the CM10 JB rom of civato's
The Storage under Setting shows:
Internal Storage: total space 0.00B
Micro SD CARD: total space 29.71GB
But when I press the Gallery or camera, it says No Storage, No external storage available.
Do you have any idea about what's going on with my tab? What should I do next?
Thanks
Click to expand...
Click to collapse
The main thing is to get everything fastboot erased first and see how that goes...its looking like a partitioning error at this point....
and be helpful to know what rom etc you had on there in the first place!
rgds
dibb
theres a couple of different errors you can get at "stage 2" uploading image, ebt, bct or partitioning - did u see which one?
Click to expand...
Click to collapse
Here is what I wrote a while ago on the TO site:
I am trying to use you APX Flash tool to patch the Bootloader. (using Civato's guide on the Xda forum)
It hung at "Flashing Bootloader (EBT) stage two - uploading image..." and the other black command prompt window shows : Nvflash started [resume mode]
I, then, re-booted the A500, re-installed the Acer USB driver (used Acer link from A500 Manager)
Same as above.
Now I tried use the manual flash following Civato's guide, I got:
Nvflash started
[resume mode]
Formatting partition 4 please wait.. Command execution failed cmd 13, error 0x120002 Failed!
Command failure: format partition failed <bad command>
bootloader status: unknown operation <code: 1> message: flags: 0
Nvflash started
[resume mode]
you could have tried putting yr tab in apx mode manually and to check an "apx device" is listed...if its not its a driver issue
Click to expand...
Click to collapse
I was using apxFlash tool, could not get it into the apex mode when I tried to run a501 B. Should I try to run it with the manual method now?
I assume you were running stock OTA ICS?
Click to expand...
Click to collapse
?
Yes, rooted, was trying to get unlocked boot loader, thought I need that to flash custom ROM
theres a couple of different errors you can get at "stage 2" uploading image, ebt, bct or partitioning - did u see which one
thats weird - didnt think afterOTA came with 1.7.3 - i may be wrong tho
Click to expand...
Click to collapse
'
I probably got it after I ran the a501 A.
eewwww thats ugly!!!
Do you still have the unlocked bootloader???
You may need to boot into fastboot mode (pwr-vol+) and
Code:
fastboot erase /cache
fastboot erase /userdata
fastboot reboot
Click to expand...
Click to collapse
Yes, I was wondering what is that fast boot mode does
The main thing is to get everything fastboot erased first and see how that goes...its looking like a partitioning error at this point....
and be helpful to know what rom etc you had on there in the first place!
Click to expand...
Click to collapse
Any step guide on how to do this (used the adb thing before to get the SDK, I think, but forgot how now)
I had ICS OTA before, started messing with the tab few months ago, on and off, sorry I could not remember exactly how I got here.
I am not newbie totally, just know enough to be dangerous
Dibb, thank very much for your help
What I have done so far:
Step 1: Did this and my computer can detect my Acer
Step 2: I installed AfterOTA from the link provided and extracted CPUID and SBK (my question: will I be using this anywhere in my flashing process as I dont see it, if so why did I take this?)
Step 3: Since I was nervous to delete that boot.p file right away I moved that into my SD card as backup and used blackthund3rs ICSRoot to root the tablet and succeeded.
- I haven't downloaded the ROM yet as I was looking for the best in the forum, so left this step for last
- I used afterOTA to "install the unlocked bootloader" which will also "flash a Custom Recovery" as advised by you in the email (Bootloader ICS v3.14.8 + Recover Thor v1.7.3)
My big question now is on flashing the custom ROM - am I going straight away from here to recovery mode and do the below as in your thread?
------------------------------------------------------------------------------------------------
When you boot to CWM Recovery, you have a menu item "Wipes"
In Wipes;
1. Data/Factory Reset (don't worry, it skips your photos and such)
2. Cache
3. Dalvik Cache
Wait, you're not finished.
Go back to the previous menu, and select "Mounts and Storage".
1. Format System
2. Format Flexrom
------------------------------------------------------------------------------------------------
thanks and cheers
Sany
How to use fastboot
@appple
1. K go up to Step 1 and d/l the android sdk drivers - (its not the whole sdk just the adb and fastboot drivers) and extract them to your C:\ drive...
2. With your tab powered off - hold the vol+ button down and press down pwr
2a. If you have the v8 bootloader your tab should display the fastboot menu
2b. Enter Fastboot Mode
3. Connect your tab to your pc with the micro usb cable
4. Open a command prompt from the folder that contains "fastboot.exe"
5. Type fastboot devices
6. It should return a "?" this is fine!
Now just enter the commands I posted earlier
7. fastboot erase userdate
8. fastboot erase cache
After you enter each command - the prompt should say 'Done'
9. fastboot reboot
sany said:
What I have done so far:
Step 1: Did this and my computer can detect my Acer
Step 2: I installed AfterOTA from the link provided and extracted CPUID and SBK (my question: will I be using this anywhere in my flashing process as I dont see it, if so why did I take this?)
Click to expand...
Click to collapse
afterOTA will do this behind the scenes
if u use apxFlash or nvFlash then yes you will need to enter yr sbk manually
if u need to use a rollback rom or official EUU Tool - you will need to enter your cpuid
Step 3: Since I was nervous to delete that boot.p file right away I moved that into my SD card as backup and used blackthund3rs ICSRoot to root the tablet and succeeded.
Click to expand...
Click to collapse
being nervous is ok - you normally need root before you move it as its a system file...so just go back and check /system again...you can rename it "....boot.p.old" if that makes u less nervous
- I haven't downloaded the ROM yet as I was looking for the best in the forum, so left this step for last
- I used afterOTA to "install the unlocked bootloader" which will also "flash a Custom Recovery" as advised by you in the email (Bootloader ICS v3.14.8 + Recover Thor v1.7.3)
My big question now is on flashing the custom ROM - am I going straight away from here to recovery mode and do the below as in your thread?
Click to expand...
Click to collapse
yes but I advise a Backup before you do....if anything goes awry at least you'll have that!!!
then flash your rom and reboot
As far as roms go - I've only ever used civato's ones so I'm not much help there, sorry - and I spend so much time 'bricking and unbricking' (research purposes of course!!) I don't really get alot of time just 'playing', lol...but I will say this - most of the custom roms on here are pretty damn good, they're well supported and stable....just check the last couple of pages of the rom thread itself...if theres any user issues at all, you'll find them there....oh and in the OP itself
best of luck m8!!!
dibb_nz said:
being nervous is ok - you normally need root before you move it as its a system file...so just go back and check /system again...you can rename it "....boot.p.old" if that makes u less nervous
Click to expand...
Click to collapse
Do you think I need to go and do this, as I have already rooted, and completed unlocked bootloader and recover via afterOTA, I might be renaming the one that came with the modified bootloader?
dibb_nz said:
yes but I advise a Backup before you do....if anything goes awry at least you'll have that!!!
Click to expand...
Click to collapse
How will I do this? sorry for pestering
sany said:
Do you think I need to go and do this, as I have already rooted, and completed unlocked bootloader and recover via afterOTA, I might be renaming the one that came with the modified bootloader?
Click to expand...
Click to collapse
its only required if you are flashing a Stock Rom - all of the custom roms are pr-rooted and this file has already been deleted...
If the file is in /system it will remove your newly flashed custom recovery and put back the Acer Stock Recovery {i.e. dead android on its back} if this happens you just need to flash the recovery again
How will I do this? sorry for pesteringhttp://forum.xda-developers.com/showthread.php?p=35675823#post35675823
Click to expand...
Click to collapse
thats ok, we were all new to this stuff at some stage
in the recovery menu you will see an option "backup and restore"
select it and then you will see another menu - select "Full Backup" and let it do its thing...
once its done go back to the main menu and select "Flash Zip from SD Card" then choose the zip of the rom.
Just a note:
In recovery menu your SD Card refers to your external sd card
Your Internal Memory of the Tab itself is called Internal Storage
dibb
heres a pic - its an older version of cwm but gives the general layout
I gotta get some sleep - will check back in the morning...dibb
dibb_nz said:
1. K go up to Step 1 and d/l the android sdk drivers - (its not the whole sdk just the adb and fastboot drivers) and extract them to your C:\ drive...
2. With your tab powered off - hold the vol+ button down and press down pwr
2a. If you have the v8 bootloader your tab should display the fastboot menu
2b. Enter Fastboot Mode
3. Connect your tab to your pc with the micro usb cable
4. Open a command prompt from the folder that contains "fastboot.exe"
5. Type fastboot devices
6. It should return a "?" this is fine!
Now just enter the commands I posted earlier
7. fastboot erase userdate
8. fastboot erase cache
After you enter each command - the prompt should say 'Done'
9. fastboot reboot
Click to expand...
Click to collapse
Hope you had good rest yesterday.
I will try to do this in next few days.
Do you know what the a500 B of Babsector do? Just wondering
appple said:
Do you know what the a500 B of Babsector do? Just wondering
Click to expand...
Click to collapse
sorry i'm not too familiar with this tool - I've never had to use it as timmydeans v4 has always worked for me...
From what I can gather, running the 1st bat files uses a different partition to flash cwm 1.7.3 so you can enter recovery and perform a format of /system.
In other words it seems 'resetting the partitions' (like timmydeans tool does) is not enough - you must then do a format of the system partition thru cwm and then run the b.bat to put the original partition table back on yr tab....
You will need to flash a rom directly after using it....formatting system will leave you without an OS but this is not mentioned in anything I've read - you can read more about it here
EDIT: found a good thread for you to read here explains how to use babsector
BTW i'm working the next 3 days so may not be around as much as i'd like....
will check in when i can
rgds dibb
Merry Christmas dibb
From what I can gather, running the 1st bat files uses a different partition to flash cwm 1.7.3 so you can enter recovery and perform a format of /system.
In other words it seems 'resetting the partitions' (like timmydeans tool does) is not enough - you must then do a format of the system partition thru cwm and then run the b.bat to put the original partition table back on yr tab....
You will need to flash a rom directly after using it....formatting system will leave you without an OS but this is not mentioned in anything I've read - you can read more about it here
Click to expand...
Click to collapse
You are right about this little tool, (I was the last poster in that thread when I got stuck before the A500 B zip)
EDIT: found a good thread for you to read here explains how to use babsector
Click to expand...
Click to collapse
I was almost ready to try the Fastboot thing you showed me earlier, then after I read this thread, I decided to give the Babsector one more try, using the manual method to get in APX mode per your guide (last time I used the blackthund3's tool), VOILA, it WORKED!! I flashed Civato's Flex-Resurrection_Rev1
and it's rocking (I stayed with 4.0.4 because I want to swap my internal(8GB) with an external (32GB)
h??p://forum.xda-developers.com/showthread.php?t=1445720 ), now going to do this, hope it will go smoothly.
BTW i'm working the next 3 days so may not be around as much as i'd like....
will check in when i can
Click to expand...
Click to collapse
Hope you did not have to work too hard, and enjoying your Christmas now.
Thanks again for your help.
@appple great news glad it worked
Sent from my GT-I9300 using Tapatalk 2
N00b trying to upgrade to ICS.
I have a acer iconia a501, There is no ics update here in Canada I believe. It currently has unrooted HC 3.2 kernal 2.6.36.3+ with a build number of Acer_A501_4.452.01_PA_ROG. some of the guides seem pretty long to me. I have tried to install android sdk, however it does not seem to function under windows 8. is there another way to do this?
Go to the bottom of this post and download adb_fast.zip - this is a mini sdk kit with just the drivers - you do have the acer drivers as well, yes?
there have been a couple of issues reported using win8, so try a different micro usb cable and a different usb port on your pc...the acer is very picky when it comes to cables...
If you have access to a linux machine you'll have no probs at all flashing the v8 bootloader
Thank you
Thank you Dibb for responding to me in the other thread. I've got the update downloaded from your post 2 and I have an external SD card to load it onto. Am I correct in thinking there's no connection required between my computer and tablet? I rename the file to update.zip, load it onto the SD card, put that in the tablet and use the power/volume- buttons correct?
Yeh u got it....I think the update.zip is good to go just copy it to yr ext sd. Best to do full wipe too m8 via Android settings...you'll be back to full stock so no custom anything....If it's the 3.1 zip u can take the ota to ics or flash the v8 unlocked bootloader from there, to get cwm...and a custom rom
Sent from my GT-I9300 using Tapatalk 2
>I have a Nexus 7
>Rooted, with CWM recovery
>Paranoid Andoid installed, works fine
>Decide to try alternative Rom's
>Download and install CM
>Bootloops
>Flash to stock and unroot using Nexus Root Toolkit
>Root again, install TeamWin recovery
>Try and flash CM again
>Bootloops
>Flash to stock again, install TeamWin recovery
>Try Smooth Rom
>Starts fine
>Reboot
>Bootloops
>Flash to stock again, install CWM recovery
>Decide to flash Paranoid Android as I wish I hadn't changed anything
>Flash PA
>Bootloops
>Flash to stock again, install CWM recovery
>Flash PA
>Boots fine, all going well
>Reboot
>Bootloops
So basically, that is the situation, and I can't figure out why it is happening. I have flashed Rom's before with no problem, but ever since I tried CM, it's all funked up, so yeah, any help at all would be greatly appreciated
The one thing I don't see in your set of trials is whether or not the complete stock ROM (whether rooted or not) bootloops on it's 2nd boot the way all the other combinations seem to.
Did you do that, or did you presume that we would also presume that Stock always boots in your experiments (at least twice!)?
BTW, you don't need to follow then entire Stock installation script if your tablet bootloader (& radio in the tilapia case) are up to date. That will save you extra steps and the need to re-flash the recovery image afterwards. All that should be needed are:
Code:
fastboot erase system
fastboot format system
fastboot flash system system.img
[b][color=red]fastboot format userdata[/color][/b] *
* obviously this nukes EVERYTHING in userdata, so a complete backup of anything you want saved from /sdcard is needed beforehand. You could replace this step with just a "factory reset" procedure in the custom recovery if you want to avoid the hassle and are convinced that the userdata partition is not causing problems (it's filesystem looks healthy & is appropriately-sized for the variant of the device you have).
Note that this proposal assumes that "flash userdata userdata.img" from the factory install instructions is superfluous. (Unless perhaps there is some sort of "oneshot" logic in there that alters /system on the first boot but not thereafter) - otherwise, how could you erase all of /data and get a "factory reset" some time later? But I think the filesystem sent by this command actually has no files in it, so... same conclusion... superfluous).
bftb0 said:
The one thing I don't see in your set of trials is whether or not the complete stock ROM (whether rooted or not) bootloops on it's 2nd boot the way all the other combinations seem to.
Did you do that, or did you presume that we would also presume that Stock always boots in your experiments (at least twice!)?
BTW, you don't need to follow then entire Stock installation script if your tablet bootloader (& radio in the tilapia case) are up to date. That will save you extra steps and the need to re-flash the recovery image afterwards. All that should be needed are:
Code:
fastboot erase system
fastboot format system
fastboot flash system system.img
[b][color=red]fastboot format userdata[/color][/b] *
* obviously this nukes EVERYTHING in userdata, so a complete backup of anything you want saved from /sdcard is needed beforehand. You could replace this step with just a "factory reset" procedure in the custom recovery if you want to avoid the hassle and are convinced that the userdata partition is not causing problems (it's filesystem looks healthy & is appropriately-sized for the variant of the device you have).
Note that this proposal assumes that "flash userdata userdata.img" from the factory install instructions is superfluous. (Unless perhaps there is some sort of "oneshot" logic in there that alters /system on the first boot but not thereafter) - otherwise, how could you erase all of /data and get a "factory reset" some time later? But I think the filesystem sent by this command actually has no files in it, so... same conclusion... superfluous).
Click to expand...
Click to collapse
I kept flashing to stock so I know where I'm at each time, I'm pretty knew to all this so I don't want to confuse myself.
I'm just about to flash stock and see if that bootloops now.
I don't understand how any files could remain on there after a factory reset though, thats why can't grasp why it's bootlooping every time
okay, so I have flashed stock, and it DOES NOT bootloop
miketino said:
I don't understand how any files could remain on there after a factory reset though, thats why can't grasp why it's bootlooping every time
Click to expand...
Click to collapse
It does seem unusual. OTOH, a "factory reset" in the custom recovery never re-builds the /data ext4 filesystem - so I suppose if the filesystem itself was bolluxed up, that would persist across a (custom recovery) "factory reset".
The thing is, the sequence you describe involves re-doing things with the factory install, and either
Code:
fastboot erase userdata
fastboot format userdata
fastboot flash userdata userdata.img
or
Code:
fastboot format userdata
fastboot flash userdata userdata.img
seems like they certainly should be rebuilding the ext4 filesystem in the userdata (/data) partition.
I mentioned something like this in a couple other posts, but I have experienced odd troubles with the /system partition where I could occasionally create an empty (and new) filesystem using the "Wipe system" option in TWRP, and immediately after that, if I manually checked it's status using (TWRP's) "e2fsck" program, it would report massive problems
Code:
adb shell e2fsck -f -n /dev/block/mmcblk0p<PARTNUM>
which doesn't make any sense at all - a brand-new & empty filesystem should be perfectly clean!
Anyway, something you might want to try is to run the above e2fsck program as a sanity check just after you flash a ROM and just before you are getting ready to reboot into the normal OS. The "-n" option to "e2fsck" prevents it from altering anything, so this is a nondestructive (no touch/read only) test. (I've never tried to actually use e2fsck for a repair - I just start over either with fastboot or the recovery filesystem formatting).
Note that "e2fsck" needs the partitions to be unmounted, so e.g. in TWRP you would:
Code:
adb shell umount /system
adb shell e2fsck -f -n /dev/block/mmcblk0?? (grouper system = p3)
adb shell umount /sdcard
adb shell umount /data
adb shell e2fsck -f -n /dev/block/mmcblk0?? (grouper data = p9)
If they don't come up clean, obviously you need to do something. Because "mount /sdcard" seems to fail when performed manually in TWRP, I just re-boot the recovery from within TWRP to do other tasks, should that be necessary.
Hope this helps.
miketino said:
okay, so I have flashed stock, and it DOES NOT bootloop
Click to expand...
Click to collapse
I wonder if this means something screwy is being caused by the ROM flashing in the recovery. Maybe try the above suggestions just as a sanity check?
BTW, what recovery and version are you using?
Its Clockwork Mod Recovery, version 6.0.2.3
miketino said:
Its Clockwork Mod Recovery, version 6.0.2.3
Click to expand...
Click to collapse
fwiw, I just booted the touch version of CWM 6.0.2.3
Code:
fastboot boot recovery-clockwork-touch-6.0.2.3-grouper.img
to make sure that it had e2fsck present in it's /sbin. It does.
e.g. my (32 GB grouper) device:
Code:
# e2fsck -f -n /dev/block/platform/sdhci-tegra.3/by-name/UDA
e2fsck 1.41.11 (14-Mar-2010)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/block/platform/sdhci-tegra.3/by-name/UDA: 24564/1875968 files (0.4% non-contiguous), 2641387/7503608 blocks
# e2fsck -f -n /dev/block/platform/sdhci-tegra.3/by-name/APP
e2fsck -f -n /dev/block/platform/sdhci-tegra.3/by-name/APP
e2fsck 1.41.11 (14-Mar-2010)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/block/platform/sdhci-tegra.3/by-name/APP: 1100/41664 files (1.0% non-contig
uous), 121097/166400 blocks
also, "tune2fs" seems to be present too. You can get a listing of the filesystem creation options using the -l option, as in
Code:
tune2fs -l /dev/block/platform/sdhci-tegra.3/by-name/APP
although I will say I've compared this output before, searching for difference(s) between the way that fastboot formats things and the custom recovery does things and didn't see anything compelling.
[ TWRP might be different than CWM though - it has a utility called "make_ext4fs", whereas I think CWM uses "mke2fs" for fs creation. ]
HTH
Nvflash-ICS Restore!
This guide will not provide information to install Nvflash-ICS as that is covered well elsewhere.
Once you have read the information on that page click Guide.
All necessary partitions are backed up with Nvflash and you can restore only the ones necessary to recover your unit.
The second method to restore has been removed until further study can be done!
If your problem can't corrected using this information and normal use of recovery, adb, and fastboot go to this post to access the IRC channel for all Asus transformers using nvflash.
I have finished installing Nvflash but where are my files?
/sdcard/AndroidRoot/ - this is your internal sdcard
Click to expand...
Click to collapse
What files should I have?
blob.bin
blob.txt – the extension on this file varies
bootloader.ebt
create.bct
recovery.bct
bricksafe.img
factory-config.img
unlock-token.img
Click to expand...
Click to collapse
Nvflash recovery and going back to ICS for a fresh start.
Use blobunpack to unpack a stock ICS blob. The blob is found by unzipping the stock ICS firmware twice.
You can find the ICS firmware at this link (9.4.3.30) (post #3).
[INDEX][18 April 2013]TF300T & TG-INDEX of Roms/Dev Guides/Kernels/Recoveries/etc.
Please give philos64 a thanks while there, without him you would have a very hard time finding these downloads if at all.
these files have to be in the folder with Nvflash
wheelie -r --blob blob.bin -created with Nvflash install
nvflash --resume --download 4 blob.EBT -created with blobunpack
nvflash --resume --download 10 blob.APP – created with blobunpack
nvflash --resume --download 6 blob.LNX – created with blobunpack
nvflash --resume --download 5 recovery.img-ICS twrp recovery image name
nvflash --resume --go
then press volume down to enter twrp, flash root, flash rom or whatever you wish
Click to expand...
Click to collapse
If your problem can't corrected using this information and normal use of recovery, adb, and fastboot go to this post to access the IRC channel for all Asus transformers using nvflash.
What is blobunpack?
Here are some links to download and explain use.
https://github.com/AndroidRoot/BlobTools
windows compiled blobtools - http://forum.xda-developers.com/showpost.php?p=21620550&postcount=24
see post #7 for info - http://forum.xda-developers.com/show....php?t=1068548
There were no dates for the following information.
The current AndroidRoot.mobi bootloader versions are
Transformer Prime: 9.4.2.28r01
Transformer TF300: 9.4.3.30r01
Transformer TF700:9.4.5.30r01
ChangeLog:-
Patch: Enable ‘fastboot boot’ command (removes ‘fastboot continue’, use ‘fastboot reboot’ instead).
Patch: Force unlocked state (protect your unlock status no matter what happens to your token).
Patch: Remove blob requirement from ‘fastboot flash’ (Flash the raw images (example: ICS_recovery.img) and not blob files).
Click to expand...
Click to collapse
When failing to get into APX mode you can try the following suggestions.
Special thanks to wha2do and daws for their input!
Also wha2do has posted a guide to enter APX that provides detail not found here! Please see his guide and give proper thanks if you find it helpful!
http://forum.xda-developers.com/show...3#post36159253
1.To enter APX mode you either have to boot, choose reboot (if available) and hold volume up pressed until it reboots and then the screen should remain black. Or if that doesn't work, completely shutdown your tablet and wait a second or two and then hold volume up pressed while pressing power on and keep it pressed until screen is blank.
or
2.fastboot -i 0x0B05 reboot (hold volume up)
or
3. adb reboot (hold volume up)
or
4. with unit powered on hold volume up and press reset with paperclip - (don't press hard)
reset is located about 25mm or 1in below the sdcard
or
5. su
reboot -hold volume up.
This is done using a terminal; Android terminal is free from the play store. You must be rooted for this to work.
or
6. Another way:- Provided by daws
Power off the tablet and don't touch the power button again.
Connect USB cable to tablet but not to PC yet.
Press volume up and then connect USB cable to PC.
Wait a few seconds before releasing volume up button.You should now be in APX mode.
Thanks for the help daws.
or
Only if there is no other resort!
7. remove cover from unit, disconnect battery, press and hold volume up, reconnect battery!
Click to expand...
Click to collapse
Good Luck!
Click to expand...
Click to collapse
Due to my dock smoking my motherboard I have purchased a new motherboard and luckily it came as 4.0.3 ICS.
I now have installed and use Nvflash on my tablet.
In case anyone is interested this is the unit I purchased.
The box shows - Manufacturer's Reconditioned Parts - 90 Day Limited Warranty.
Usefull guide
Good work and helpfull guide for xda members :good:
Nice stuff
philos64 said:
Good work and helpfull guide for xda members :good:
Nice stuff
Click to expand...
Click to collapse
Thank you for your kind words.
can I use these file
blob.bin
blob.txt – the extension on this file varies
bootloader.ebt
create.bct
recovery.bct
bricksafe.img
factory-config.img
unlock-token.img
from other tf300t to unbrick my tf300T bricked ver 4.1.2.?.
chanhny said:
can I use these file
blob.bin
blob.txt – the extension on this file varies
bootloader.ebt
create.bct
recovery.bct
bricksafe.img
factory-config.img
unlock-token.img
from other tf300t to unbrick my tf300T bricked ver 4.1.2.?.
Click to expand...
Click to collapse
No.
The files contain device-specific keys and cannot be used for other devices.
See the original thread for details:
[DEV][TOOL][BRICKPROOF]TF300 NVFlash release!
There's something I've not been quite clear about with NVFlash.
So I do my backup and keep my files.
Afterwards I upgrade to Jelly Bean (because I need the JB bootloader for ROM's right?), put TWRP recovery on, and flash a new ROM that uses the bootloader version I have.
So now I have the JB bootloader, can I still enter APX mode and do a restore, or do I have to remain on ICS bootloader to do a restore?
Is NVFlash truly unbrickable? A glance at this forum shows loads of bricks, would this have sorted their problem if they backed-up first?
Thanks!
tobdaryl said:
This guide will not provide information to install Nvflash as that is covered well elsewhere.
Once you have read the information on that page click Guide.
All necessary partitions are backed up with Nvflash and you can restore only the ones necessary to recover your unit.
I have finished installing Nvflash but where are my files?
What files should I have?
Nvflash recovery and going back to ICS for a fresh start.
What is blobunpack?
Caution
Caution
There were no dates for the following information.
When failing to get into APX mode you can try the following suggestions.
Caution
Full brick recovery
Caution
Good Luck!
Click to expand...
Click to collapse
I played around with your instructions today. Ran into 2 snags:
1. Using blob UI, I typed "u" for unpack, then "blob." It returned with "cannot open 'b'";
2. Typed blobunpack.exe blob. Gave me all the files as shown in attached thumb, except LNX. Where did I go wrong?
graphdarnell said:
I played around with your instructions today. Ran into 2 snags:
1. Using blob UI, I typed "u" for unpack, then "blob." It returned with "cannot open 'b'";
2. Typed blobunpack.exe blob. Gave me all the files as shown in attached thumb, except LNX. Where did I go wrong?
Click to expand...
Click to collapse
I'm having problems with the UI myself. It worked properly when posted. We probably have had an update that broke the UI. I'll remove the link. The tools are easy to use without the UI.
You don't have an LNX extension but you do have boot.img which is the same partition. Did you possibly rename the file and forget? Packing and repacking are still working properly for me including LNX.
I also updated the download link. The link now shown is for the version that can sign when blobpacking.
tobdaryl said:
I'm having problems with the UI myself. It worked properly when posted. We probably have had an update that broke the UI. I'll remove the link. The tools are easy to use without the UI.
You don't have an LNX extension but you do have boot.img which is the same partition. Did you possibly rename the file and forget? Packing and repacking are still working properly for me including LNX.
I also updated the download link. The link now shown is for the version that can sign when blobpacking.
Click to expand...
Click to collapse
Not really. I didn't touch it. I'll do it again today to see. Thanks for the reply.
No recovery
Hello Everybody,
I followed the instructions to restore my device however when my tf300t reboots I can't get the device into recovery mode. It will start up into android or if I hold the volume down during restart it says "platform pre os boot configuration cold booting linux". I download a ICS twrp img recovery file from here for the tf300t. "http://techerrata.com/browse/twrp2/tf300t"
My only options at this point are to enter APX mode or boot into android.
If somebody could help me install a recovery so I can use custom roms I would appreciate it!!!!!
Thanks,
Mike
waynestatemac said:
Hello Everybody,
I followed the instructions to restore my device however when my tf300t reboots I can't get the device into recovery mode. It will start up into android or if I hold the volume down during restart it says "platform pre os boot configuration cold booting linux". I download a ICS twrp img recovery file from here for the tf300t. "http://techerrata.com/browse/twrp2/tf300t"
My only options at this point are to enter APX mode or boot into android.
If somebody could help me install a recovery so I can use custom roms I would appreciate it!!!!!
Thanks,
Mike
Click to expand...
Click to collapse
Use nvflash again to flash only twrp.
or
Other options
fastboot -i 0x0B05 flash recovery twrp.blob
fastboot -i 0x0B05 reboot
or if rooted
adb shell
su
dd if=/sdcard/twrp.blob of=/dev/block/mmcblk0p4 Then reboot to complete installation.
adb reboot
I use 2.5.0.0 twrp as I have problems with 2.6.0.0.
tobdaryl said:
Use nvflash again to flash only twrp.
or
Other options
fastboot -i 0x0B05 flash recovery twrp.blob
fastboot -i 0x0B05 reboot
or if rooted
adb shell
su
dd if=/sdcard/twrp.blob of=/dev/block/mmcblk0p4 Then reboot to complete installation.
adb reboot
I use 2.5.0.0 twrp as I have problems with 2.6.0.0.
Click to expand...
Click to collapse
Thanks tobdary for replying back. I tried other versions of the recovery but none seem to work. I can't do that fastboot method because I dont get the fastboot option when the I hold the volume down and power like I did when the tablet was bone stock. I can't get su access on the tablet because its not rooted anymore once I reinstalled the nvflash rom so I cant try and flash recovery that way either. I'm really stuck and not sure why this isn't working!
Thanks,
Mike
waynestatemac said:
Thanks tobdary for replying back. I tried other versions of the recovery but none seem to work. I can't do that fastboot method because I dont get the fastboot option when the I hold the volume down and power like I did when the tablet was bone stock. I can't get su access on the tablet because its not rooted anymore once I reinstalled the nvflash rom so I cant try and flash recovery that way either. I'm really stuck and not sure why this isn't working!
Thanks,
Mike
Click to expand...
Click to collapse
I'm not sure either.
Try flashing stock recovery and recheck your bootloader menu for fastboot.
tobdaryl said:
I'm not sure either.
Try flashing stock recovery and recheck your bootloader menu for fastboot.
Click to expand...
Click to collapse
Do you know where I can find the stock recovery? Is it something ziped in the original rom file?
I was able to root the tablet using a program that that uses a exploit while android is running. I then could adb through su access and flash different twrp recovery blob files to the tablet. Though the tablet rebooted and showed a blue line with recovery being installed when I restarted I have no options to load recovery, fastboot, or linux. I'm thinking the bootloader is corrupt. I own a tf201 and might have accidentally used one of the hairybean 2.3 (4.2) bootloader updates for that device on this one. Is there a way to get my bootloader back to the original and maybe that will fix it?
Thanks,
Mike
waynestatemac said:
Do you know where I can find the stock recovery? Is it something ziped in the original rom file?
I was able to root the tablet using a program that that uses a exploit while android is running. I then could adb through su access and flash different twrp recovery blob files to the tablet. Though the tablet rebooted and showed a blue line with recovery being installed when I restarted I have no options to load recovery, fastboot, or linux. I'm thinking the bootloader is corrupt. I own a tf201 and might have accidentally used one of the hairybean 2.3 (4.2) bootloader updates for that device on this one. Is there a way to get my bootloader back to the original and maybe that will fix it?
Thanks,
Mike
Click to expand...
Click to collapse
The first thing you flash in this guide is the bootloader. nvflash --resume --download 4 blob.EBT
With nvflash you can flash only what is needed for your situation. If you feel the problem is the bootloader you can flash just that and try again.
What you describe sounds like stock recovery is still working on your tablet. If flashing the bootloader does not help I would use stock 9.4.3.30, unzip once and place the remaining zip on your internal sdcard. You may get an update notification. Accept it and let your tablet do the work. If you don't get the notification reboot your tablet and you should see it then. Doing this will write stock bootloader, recovery, etc.
Stock recovery is the blob.SOS when you blobunpack. Just use the stock 9.4.3.30 blob and use the resulting SOS (recovery.img).
TF300T Bricked accessible using APX Mode.
Hello @tobdaryl
I have read your thread fully, but my case differs a little bit and need your advice:
I have unlocked ASUS TF300T.
I cant access FastBoot or ADB.
I can access the APX mode.
The ASUS shows only the ASUS logo when powered on.
I don't have BackUp of anything.
I have flashed everything from my ASUS, even the recovery. (I was novice):angel:
Any suggestions or advices please?
What should i do and from where shall i get the needed files, etc...
Thank you in advance.
Nader H.AL-Dirany
NaderALDirany said:
Hello @tobdaryl
I have read your thread fully, but my case differs a little bit and need your advice:
I have unlocked ASUS TF300T.
I cant access FastBoot or ADB.
I can access the APX mode.
The ASUS shows only the ASUS logo when powered on.
I don't have BackUp of anything.
I have flashed everything from my ASUS, even the recovery. (I was novice):angel:
Any suggestions or advices please?
What should i do and from where shall i get the needed files, etc...
Thank you in advance.
Nader H.AL-Dirany
Click to expand...
Click to collapse
I have read your previous posts in addition to this one.
There are four vehicles to restore your tablet. (some things can be done within android but you have no access)
1. recovery - stock or twrp
2. fastboot
3. adb
4. nvflash
I notice you also posted in my guide for accessing adb, fastboot, and apx. You were unable to access fastboot, adb, or recovery with those methods.
I don't know of any way to recover through apx without nvflash previously installed and you have no access to the other three methods.
Needs Stickied ... thanks man you helped save my butt :good:
Trigger911 said:
Needs Stickied ... thanks man you helped save my butt :good:
Click to expand...
Click to collapse
Thanks! *I'm glad you found the info useful.
Introduction
OK. the story is I was on Thinkpad Tablet A 400-03-0070-0132-ROW, I decided to taste CM10 by Koshu, Thank you Koshu!), I accessed Root by RootDebugfs script! (Folow this instruction: http://forum.xda-developers.com/showthread.php?t=1706588)
Then I installed CWM and backup my tablet, then after install CM10. (Folow this instruction: http://forum.xda-developers.com/showthread.php?t=1846044 , Thanks Koshu again)
Everything was fine. thanks Koshu again !
Then I decided to back to my stock ROM, My backup was corrupted!!!!!! YES! and Thinkpad tablet went to BOOT LOOP.
Finally I solve it after 3 day's experiments! I repeated my experiment and I was successful as many times as I repeated. Then I decide to share my solution to anyone.
It works for any Thnkpad Tablet (US,ROW,WE,...) but at the end you will have A 400-03-0070-0132-ROW, but you can repeat to ROOT, CWM and CM10 again
Before Start
1) your tablet is Thinkpad Tablet and stocked in the boot loop.
2) your tablet partition 4EBT is not lock by factory (you will learn if it is!)
3) after this instruction your tablet cure completely and you will have A 400-03-0070-0132-ROW version, not Rooted but you can access root later (RootDebugfs) and also you can do anything, also you can brick it again and this will solve it again !!!!
4) at each step, if you don't know the meanings, just search this forum.
Instruction:
1) download nvFlash + driver + CMW files + my script (included at the end).
2) put your tablet in the APX mode:
yes, you are at boot loop, but you can push the power button for 10sec. you will be off for a while, instantly push rotation lock key then add power button, wait for 2 second and release both buttons, you are at APX mode now, at the device manager of your control panel you can see APX installed.
3) install APX drivers:
if device start to loop before installing driver go to 2.
install driver from downloded files, drivers folder. windows say something! ignore it! and install driver
4)now we start to put recovery image to your SOS partition, it can help the device come back from loop!
(learn how to go into APX mode)
run my scrip from downloded files (alikghp.bat)
choose install CWM5.0,
go to APX mode and wait.
you will see big PASS on your device.
5) copy
a. clockworkmod folder and it's content
b. ThinkPadTablet_A310_02_0039_0089_ROW.zip
c. ThinkPadTablet_A310_03_0069_0121_ROW.zip
d. ThinkPadTablet_A400_03_0070_0132_ROW.zip
from downloaded files to a SDcard and insert SDcard to your tablet.
6) turn off your device, go to recovery mode (power (after vibration release power, push Vol.up 2 or 3 times), you will see the CWM recovery.
YES you break the DEVIL's LOOP!
7) use Vol.up, Vil.down and power to choose -backup and restore, then
-restore from external sdcard.
the -yes.
be patient and wait until to end.
8) at CWM's main menu choose -install zip from sdcard. then
-choose zip from external sdcard.
-choose ThinkPadTablet_A310_02_0039_0089_ROW.zip
9) again run alikghp.bat but this time
choose install OriginalRecovey
after see the big PASS...
10) turn off, and turn on to recovery mode again.
choose wipe data/factory reset. wait until finish.
choose reboot system now.
11) your tablet back to life. with A310_02_0039_0089_ROW !!! wait until it it's jobs done!
12) turn off and turn on to recovery mode again. choose apply update from external storage.
choose ThinkPadTablet_A310_03_0069_0121_ROW. after finishing reboot and wait wait until it it's jobs done!
repeate this step and
choose ThinkPadTablet_A400_03_0070_0132_ROW after finishing reboot and wait wait until it it's jobs done!
it's done.
now you can root and install CM10 again, (refer to Introduction above) BUT this time make sure your Nandroid backup is healthy and pull it on your hard disk to safety.
==============================================================================
Download files here:
https://drive.google.com/file/d/0B5cPsgBIMN0JLWdlM00wLUlYZEE/edit?usp=sharing
==============================================================================
ENJOY!!! By:Ali Ghodratipour
when using nvflash and type "sync" i got this
error: rcm version 0X4 Command send failed (usb write failed)
is this mean that my tablet partition 4EBT is lock by factory and i can't use this method
m7mdrda said:
when using nvflash and type "sync" i got this
error: rcm version 0X4 Command send failed (usb write failed)
is this mean that my tablet partition 4EBT is lock by factory and i can't use this method
Click to expand...
Click to collapse
I guess this problem may come from 2 area.
1) are you sure that you have installed nvflash drivers properly?
2) do you install Bootloader on your 4EBT partition, because you have to do it before any command sending?
check the following post (thanks suntechnic!) to learn more about nvflashing.
http://forum.xda-developers.com/showthread.php?t=1745450
Thank you ali
i did every thing you said in your post .... i have a bricked thikpad tablet stay in logo when start and have a bricked recovery mode but when i used your methode my tablet don't wont to enter in recovery mode again when i hold start button and push the vol up twice i see on top booting recovery kernal image and my tablet restart after that
i think my bootloader is unlocked but i dont know how to use nvfash so please help me i don't know what i will do please is there a solution
if you have solution i can give you permission to enter to my pc and do what ever you want to do just please help me
same as gharib madrid; but my thinkpad boots directly into "booting recovery kernal image" screen, then it hangs for few seconds then it powers down or restarts into bootloops,
my bootloader is unlocked.
after trying this method in the original post TENS of times, with bootload inetialize failuer, I got this
Code:
Nvflash started
[resume mode]
sending file: recCWM5.img
/ 4452352/4452352 bytes sent
recCWM5.img sent successfully
failed executing command 25 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: Bct Write Failed (code: 22) message: nverror:0x42008 (0x6042008) flags: 0
anyone can help me in this?
7) use Vol.up, Vil.down and power to choose -backup and restore, then
-restore from external sdcard.
the -yes.
be patient and wait until to end.
How long this step may take?
after
"Cheking MD5 sums...
Erasing boot before restore...
Restoring boot image...
Restoring system...?
it looks like the process hanged here, now 25 minutes passed and still waiting some cool to happen
anyone who tried this method, please reply
ana_mawjoud said:
same as gharib madrid; but my thinkpad boots directly into "booting recovery kernal image" screen, then it hangs for few seconds then it powers down or restarts into bootloops,
my bootloader is unlocked.
after trying this method in the original post TENS of times, with bootload inetialize failuer, I got this
Code:
Nvflash started
[resume mode]
sending file: recCWM5.img
/ 4452352/4452352 bytes sent
recCWM5.img sent successfully
failed executing command 25 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: Bct Write Failed (code: 22) message: nverror:0x42008 (0x6042008) flags: 0
anyone can help me in this?
Click to expand...
Click to collapse
My thinkpad tablet suddenly die..and i am suck in the same place as you... it shows "booting recovery kernal image" screen, then it hangs for few seconds then it powers down or restarts into bootloops,
WIll my thinkpad 32G be an issue?
Hi.
I had the same problem. Follows the isntructions an after that "booting recovery kernal image" plus lenovo loop.
My solution was: I had changed the line 30 in "alikghp.bat" by:
nvflash -r --download 6 clockworkmod\backup\ThinkPadTablet_0089_ROW_Root_CWM\recovery.img
that is: I had used the recovery partition from "clockworkmod\backup\ThinkPadTablet_0089_ROW_Root_CWM".
After that, the steps 6 and 7 of post#1 work!!
reaperhk said:
My thinkpad tablet suddenly die..and i am suck in the same place as you... it shows "booting recovery kernal image" screen, then it hangs for few seconds then it powers down or restarts into bootloops,
WIll my thinkpad 32G be an issue?
Click to expand...
Click to collapse
The files?
Thank You for all this help, Ali. I'm trying to follow these instructions today with a Thinkpad 1838 tablet to that's stuck in the animation loop.............but the link to your files is broken.
Can you (or anyone reading) help me?
Thanks again; this is a great tablet, and I wish to resurrect it for my daughter for her birthday.
***************************************************
aliakg56 said:
Introduction
OK. the story is I was on Thinkpad Tablet A 400-03-0070-0132-ROW, I decided to taste CM10 by Koshu, Thank you Koshu!), I accessed Root by RootDebugfs script! (Folow this instruction: http://forum.xda-developers.com/showthread.php?t=1706588)
Then I installed CWM and backup my tablet, then after install CM10. (Folow this instruction: http://forum.xda-developers.com/showthread.php?t=1846044 , Thanks Koshu again)
Everything was fine. thanks Koshu again !
Then I decided to back to my stock ROM, My backup was corrupted!!!!!! YES! and Thinkpad tablet went to BOOT LOOP.
Finally I solve it after 3 day's experiments! I repeated my experiment and I was successful as many times as I repeated. Then I decide to share my solution to anyone.
It works for any Thnkpad Tablet (US,ROW,WE,...) but at the end you will have A 400-03-0070-0132-ROW, but you can repeat to ROOT, CWM and CM10 again
Before Start
1) your tablet is Thinkpad Tablet and stocked in the boot loop.
2) your tablet partition 4EBT is not lock by factory (you will learn if it is!)
3) after this instruction your tablet cure completely and you will have A 400-03-0070-0132-ROW version, not Rooted but you can access root later (RootDebugfs) and also you can do anything, also you can brick it again and this will solve it again !!!!
4) at each step, if you don't know the meanings, just search this forum.
Instruction:
1) download nvFlash + driver + CMW files + my script (included at the end).
2) put your tablet in the APX mode:
yes, you are at boot loop, but you can push the power button for 10sec. you will be off for a while, instantly push rotation lock key then add power button, wait for 2 second and release both buttons, you are at APX mode now, at the device manager of your control panel you can see APX installed.
3) install APX drivers:
if device start to loop before installing driver go to 2.
install driver from downloded files, drivers folder. windows say something! ignore it! and install driver
4)now we start to put recovery image to your SOS partition, it can help the device come back from loop!
(learn how to go into APX mode)
run my scrip from downloded files (alikghp.bat)
choose install CWM5.0,
go to APX mode and wait.
you will see big PASS on your device.
5) copy
a. clockworkmod folder and it's content
b. ThinkPadTablet_A310_02_0039_0089_ROW.zip
c. ThinkPadTablet_A310_03_0069_0121_ROW.zip
d. ThinkPadTablet_A400_03_0070_0132_ROW.zip
from downloaded files to a SDcard and insert SDcard to your tablet.
6) turn off your device, go to recovery mode (power (after vibration release power, push Vol.up 2 or 3 times), you will see the CWM recovery.
YES you break the DEVIL's LOOP!
7) use Vol.up, Vil.down and power to choose -backup and restore, then
-restore from external sdcard.
the -yes.
be patient and wait until to end.
8) at CWM's main menu choose -install zip from sdcard. then
-choose zip from external sdcard.
-choose ThinkPadTablet_A310_02_0039_0089_ROW.zip
9) again run alikghp.bat but this time
choose install OriginalRecovey
after see the big PASS...
10) turn off, and turn on to recovery mode again.
choose wipe data/factory reset. wait until finish.
choose reboot system now.
11) your tablet back to life. with A310_02_0039_0089_ROW !!! wait until it it's jobs done!
12) turn off and turn on to recovery mode again. choose apply update from external storage.
choose ThinkPadTablet_A310_03_0069_0121_ROW. after finishing reboot and wait wait until it it's jobs done!
repeate this step and
choose ThinkPadTablet_A400_03_0070_0132_ROW after finishing reboot and wait wait until it it's jobs done!
it's done.
now you can root and install CM10 again, (refer to Introduction above) BUT this time make sure your Nandroid backup is healthy and pull it on your hard disk to safety.
==============================================================================
Download files here:
https://drive.google.com/file/d/0B5cPsgBIMN0JLWdlM00wLUlYZEE/edit?usp=sharing
==============================================================================
ENJOY!!! By:Ali Ghodratipour
Click to expand...
Click to collapse
Ive upload files again
Dear friend, I tried to upload my script, however the post is so old and I don't have all the files. But you can find all of them in this forum and in the internet. just google the file's names. I wish you luck!
Here you can download stock ROMs:
http://download.lenovo.com/slates/think/tablet1
for NVFlash this link can help you:
http://forum.xda-developers.com/showthread.php?t=1745450
I am not Chinese but this website + google chrome translator is something
http://cnzhx.net/blog/apx-root-thinkpad-tablet/