Related
so I traded an older compaq laptop for this bricked Iconia A500 and they must have really borked it up because all the "normal" unbricking methods will not work, it will not pull the update.zip from the SD card about 10 -15 minutes in I get the LNX checksum error, same thing if I try to factory reset it hangs on Erasing cache... then back to the LNX checksum error. I have tried reflashing a stock EUU ROM in APX mode but it just hangs and wont update. I was able to get the UID by using the usb traffic sniffer and I created the SKB from the website. so now I can get it in APX mode but I am new to the Tegra tablets so I have no idea what I should see or do with the nvFlash, I am a pretty techincal guy and can usually figure stuff out by using common sense but I am sure I am missing something with this nvFlash program. I notice if I send the tablet a command with nvflash (like --sync) it will come back with the normal error but it will also cut off the usb connection and to send any more commands I have to restart APX mode (while in windows, I havent noticed it do that in ubuntu) if anyone has any experience in this and knows the steps to get it back from the abyss I would really appreciate it. I have tried following sc2k's thread on the checksum errors but it won't work because I fall under the "any other recovery" and he said to contact him or post for help, I contacted him 2 days ago and haven't got an answer yet, (I am sure he is busy) so I am going to ask for help here in the meantime.
I think you can try this way:
[downloading necessary files]:
1. pls refer to How to root stock 3.2 and download root-3.2.1-V4.7z
[actions:]
1. extract files from root-3.2.1-V4.7z to c:\a500unbrick
2. go to folder c:\a500unbrick and fined .pdf file with instractions. Read it carefully and follow it.
at the end of this process you will have os 3.2.1 with custom recovery.
a.chursin said:
I think you can try this way:
[downloading necessary files]:
1. pls refer to How to root stock 3.2 and download root-3.2.1-V4.7z
[actions:]
1. extract files from root-3.2.1-V4.7z to c:\a500unbrick
2. go to folder c:\a500unbrick and fined .pdf file with instractions. Read it carefully and follow it.
at the end of this process you will have os 3.2.1 with custom recovery.
Click to expand...
Click to collapse
Thanks I will look into it, but if it needs adb or booting from sd card its a no go because it won't read update.zip (lack of proper recovery image?) Nor can I use adb, the only way I can send commands is through APX mode.
Sent from my Galaxy Nexus using XDA
it doesn't need adb or sdcard update.zip - it's "apx moode" way of flashing
a.chursin said:
it doesn't need adb or sdcard update.zip - it's "apx moode" way of flashing
Click to expand...
Click to collapse
thanks will try this when I get home from work, I found everything under the sun to unbrick except this way. so I am hoping this will work.
still will not work
I have tried the PBJ20upgrade.exe and I know it says to use APX mode in there but it doesn't work as stated in the OP and that is why I said it needs to be with nvFlash, nothing else is working at all. it will just hang at 1/8th done for well over 20 minutes.
thanks for replying though and trying to help.
anyone have experience with nvFlash that can help?
this is how far it gets when I try using nvflash in the command line:
nvflash --bct flash.bct --setbct --configfile flash.cfg --create --odmdata 0xb00d8011 --bl bootloader.bin --sbk 0x45DC1E00 0x48A7F501 0xA7EE1103 0xB0512103 --go
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 3
chip sku: 0x8
chip uid: 0x037c61c9434032d7
macrovision: disabled
hdcp: enabled
sbk burned: true
dk burned: true
boot device: emmc
operating mode: 4
device config strap: 0
device config fuse: 0
sdram config strap: 0
sending file: flash.bct
data send failed NvError 0x120000
setbct failed NvError 0x0
command failure: bootloader download failed
C:\Users\Jon\Desktop\Acer Tab A500\root-3.2.1\Image>
GOT IT!!!
I got it!! I had to boot into Ubuntu and run the same nvflash command and it worked like a charm, I am currently sporting 3.2.1. now to get some ICS on this thing
thanks for your help a.chursin.
Your welcom
help!
Could someone please help me with this?? Im stuck with the green Acer screen. Bootloader is hosed, I can get it to APX mode, no adb, no recovery, no fastboot.....I think I can use NVflash to flash a recovery and then flash an update.exe, I just dont know the commands. When I try nvflash --sync, the nvidia APX driver in device manager just dissapears and I have to put the tablet back in APX mode.
cooki3monst3r77 said:
Could someone please help me with this?? Im stuck with the green Acer screen. Bootloader is hosed, I can get it to APX mode, no adb, no recovery, no fastboot.....I think I can use NVflash to flash a recovery and then flash an update.exe, I just dont know the commands. When I try nvflash --sync, the nvidia APX driver in device manager just dissapears and I have to put the tablet back in APX mode.
Click to expand...
Click to collapse
How did u get yrself into this will need more info to help BUT
the green recovery screen suggests its the HC recovery image
If u r on HC then I have a feeling nv/fast boot only works on an unlocked b/l which 3.2 is not, but I'm not 100% on that
U can try an EUU based flash as u say apx mode is still available to u
Timmydeanv4 for gen2 stock, else EUU from vaches thread
Ncvflash commands
windows. nvflash --help
Linux. ./nvflash --help
a.chursin said:
I think you can try this way:
[downloading necessary files]:
1. pls refer to How to root stock 3.2 and download root-3.2.1-V4.7z
[actions:]
1. extract files from root-3.2.1-V4.7z to c:\a500unbrick
2. go to folder c:\a500unbrick and fined .pdf file with instractions. Read it carefully and follow it.
at the end of this process you will have os 3.2.1 with custom recovery.
Click to expand...
Click to collapse
This solved my issue, thanks.
I was triyng to update BL to ICS.BL and it actually updates to the BL nicely, but whathever i have tried could no pass the boot, always getting bootloop. So i downgraded it and its working like a charm.
Thanks again.
Would someone help me? I just installed CM10 Jelly bean for Iconia A500 and flashed the corresponding GApss right after. Now I'm stuck on Acer logo and can't go to recovery. Help.
xmond said:
Would someone help me? I just installed CM10 Jelly bean for Iconia A500 and flashed the corresponding GApss right after. Now I'm stuck on Acer logo and can't go to recovery. Help.
Click to expand...
Click to collapse
Can you boot in download mode to clean cache? (Power + Vol+)
Or, can you boot in recovery after shut down device?
If not try it and then tell us.
GueDS said:
Can you boot in download mode to clean cache? (Power + Vol+)
Or, can you boot in recovery after shut down device?
If not try it and then tell us.
Click to expand...
Click to collapse
No, I can't go into recovery even after shutting down the device. It's stuck on Acer logo. Help me please.
*Edit:* Booted in download mode and did a cache wipe. That did the trick! My device is now booting! THANKS A LOT!
xmond said:
No, I can't go into recovery even after shutting down the device. It's stuck on Acer logo. Help me please.
*Edit:* Booted in download mode and did a cache wipe. That did the trick! My device is now booting! THANKS A LOT!
Click to expand...
Click to collapse
I´m glad to help :good:
GueDS said:
I´m glad to help :good:
Click to expand...
Click to collapse
Yeah. Thanks again! So happy with my new OS!
Urgent! CPUID from apx mode
jitajt said:
so I traded an older compaq laptop for this bricked Iconia A500 and they must have really borked it up because all the "normal" unbricking methods will not work, it will not pull the update.zip from the SD card about 10 -15 minutes in I get the LNX checksum error, same thing if I try to factory reset it hangs on Erasing cache... then back to the LNX checksum error. I have tried reflashing a stock EUU ROM in APX mode but it just hangs and wont update. I was able to get the UID by using the usb traffic sniffer and I created the SKB from the website. so now I can get it in APX mode but I am new to the Tegra tablets so I have no idea what I should see or do with the nvFlash, I am a pretty techincal guy and can usually figure stuff out by using common sense but I am sure I am missing something with this nvFlash program. I notice if I send the tablet a command with nvflash (like --sync) it will come back with the normal error but it will also cut off the usb connection and to send any more commands I have to restart APX mode (while in windows, I havent noticed it do that in ubuntu) if anyone has any experience in this and knows the steps to get it back from the abyss I would really appreciate it. I have tried following sc2k's thread on the checksum errors but it won't work because I fall under the "any other recovery" and he said to contact him or post for help, I contacted him 2 days ago and haven't got an answer yet, (I am sure he is busy) so I am going to ask for help here in the meantime.
Click to expand...
Click to collapse
Hey man I'm really desperate to know how can I get my CPUID from apx mode. I foolishly formatted mmcblk0 and now it won't even boot. And the only mode I can get in is apx mode. How can I solve this? what is usb sniffer? Can you giive me the link?
felix, if you'd read the cpuid guide like i suggested you would know exactly where and how to use a usb sniffer to retrieve your cpuid... you provided bugger all details about your situation other than to say its bricked...take a deep breath and slow down, unbricking has to be done according to strict rules otherwise you'll end up going round in circles, its a process thats not gonna take 5 mins...and posting in 6month old threads expecting an answer probly isnt gonna help neither...there is an unbricking guide in my sig, post in that if you need to
dibb
What Command
jitajt said:
I got it!! I had to boot into Ubuntu and run the same nvflash command and it worked like a charm, I am currently sporting 3.2.1. now to get some ICS on this thing
thanks for your help a.chursin.
Click to expand...
Click to collapse
What was the command you use in Ubuntu to get nvflash to run? please send me the string you use, i am in the same as you was i only have apx mode on the acer a500
Heres the sitiation........went to ICS bootloader patched V2 with the auto script. It also flashed a working thor touch recovery 1.7.......dont like using that recovery so I downloaded goo manager to get TWRP recovery which left with a dead robot when I booted recovery. It was still thors because it still had the home back and select touch icons in the bottom right corner. So I said well hell, I'll try to flash it with Acer recovery installer which left me hanging at booting recovery kernel image when trying to boot recovery. So I said well hell, I'll try to flash it with fastboot which gave me the same results. So I said well hell, I'll try RA 3.16 recovery flashed from fastboot which left me with the same. So I said ****, I guess I gotta go with Thor so I fastboot flash 1.7 back and still the same hanging at booting recovery kernel image. adb reboot recovery wont get me there either. Anyone got a solution?
EDIT: just tried flashing with NVflash and still no go
EDIT: Got thor back but cant get anything else with the same method. Using Straa's method here I got Thor working again. http://forum.xda-developers.com/showpost.php?p=23054797&postcount=64
Also tried this without success.
In his batch file run.bat I changed:
nvflash -r --download 6 recovery_thor17_403.img
to
nvflash -r --download 6 twrp_recovery.img
Yes I had the twrp_recovery.img in the nvflash folder but this still left me with the booting recovery kernel image hang.
Aslo Tried this leaving me with a soft brick, didn't think I would need to flash the bootloader since I only wanted the recovery:
echo Flashing patched bootloader V2...
nvflash -r --format_partition 4
nvflash -r --download 4 ics_boot_unlk.bin
echo Flashing Thor Recovery 1.7...
nvflash -r --format_partition 6
nvflash -r --download 6 recovery_thor17_403.img
echo Exiting APX mode...
nvflash -r --go
TO
echo Flashing Thor Recovery 1.7...
nvflash -r --format_partition 6
nvflash -r --download 6 recovery_thor17_403.img
echo Exiting APX mode...
nvflash -r --go
I think I understand why this messed things up though.
Anyway, I have recovery now simply by flashing the Patch V2 bootloader and thors recovery again using Straa's script. Thanks Straa!!!!!!!
I have flashed a lot of stuff, but this Iconia is driving me CRAZY.
For starters, the tablet will only boot into APX mode when you turn it on. Blank screen, but the power light is white/blue.
I DO have the SBK, which I grabbed through Ubuntu.
I try using the blackthund3r utility. It detects it in APX mode fine and pops it into the bootloader, but after that it gets stuck. This is at "Flashing Bootloader (EBT) stage two - uploading image..." The command prompt just displays Nvflash started [resume mode].
When I try running v8.bat manually from the command prompt, I usually get a lot of failed command errors which come at different points at times.
The other day I miraculously used the blackthund3r utility and handpicked some bootloader and system files and got it to boot back into Android, but when it tried updating OTA it got stuck on reboot saying the "blob update failed." Now I am back to the start of this post.
I've updated the drivers a few times and also installed the Android SDK. Everything is up to date.
If anyone has any idea what might be holding me up I could use the help. My girlfriend is mad now that I have re-destroyed her tablet after bringing it back to life and I need to get it back to her.
Have you tried using Ubuntu to run the nvflash commands, some have had luck with it where windows won't....
Srbeens guide (its stickied in the general forum) to recovering sbk via Ubuntu also has a few steps in running the nvflash commands directly from Timmy deans v4 EUU which is used to repair partitions, there might be something there u can use...
Sent from my GT-I9300 using Tapatalk 2
dibb_nz said:
Have you tried using Ubuntu to run the nvflash commands, some have had luck with it where windows won't....
Srbeens guide (its stickied in the general forum) to recovering sbk via Ubuntu also has a few steps in running the nvflash commands directly from Timmy deans v4 EUU which is used to repair partitions, there might be something there u can use...
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
This is working for me up to the same point. I'm getting a "sync failed (bad data)" error and I can't format any partitions.
erndixon said:
This is working for me up to the same point. I'm getting a "sync failed (bad data)" error and I can't format any partitions.
Click to expand...
Click to collapse
k, hopefully its just your partitions messed up and not the dreaded hardware failure... you got couple options left and both of these will work from apx mode
timydeans v4 an EUU based tool which will give you a pre-rooted stock HC3.2 and cwm installed too - it will wipe everything
heres how user lcd047 went about it on his a501 but will work for a500
lcd047 wrote:
"I downloaded timmyDean's root-3.2.1-V4.7z
I booted the tablet (in APX mode) and I connected the USB cable to it
in the directory root-3.2.1/Image I run the command
nvflash --bct flash.bct --setbct --odmdata 0x100c0105 --configfile flash.cfg --create --bl bootloader.bin --sbk (your sbk number after converting your UID number) 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX --go
without rebooting, I flashed the v7 bootloader and recovery as per the bootloader thread; since the partition table was restored at the previous step, the operation now succeeded;
I rebooted the tablet in recovery, and proceeded to wipe the data and flash a ROM the usual way.
And that worked for me. After flashing, my a501 did a automated reboot, i quickly killed the reboot by holding the Power Button (guessing killing the reboot is not realy necessary because the booting shouldn´t mess up the partition table again) and then brought the devive back to APX Mode (Holding Reset and Power for 3-4 sec. then releasing Power and after 1 second relesaing Reset).
Then i flashed the hacked bootloader via blackthund3rs APX flash tool (see link above).
Then i installed Alexandra V as Moscow Desire descirbes (see "To Install" at http://forum.xda-developers.com/show....php?t=1635577)
It took my 2 days of trial and error, but finaly give me a nice working Alexandra ROM on my a501!
Click to expand...
Click to collapse
The other way is by using the "babsector.rar" from the russian forums -
you can download it http://forum.xda-developers.com/showthread.php?t=2049778, theres a couple of good links in post 13 of that same thread on how to use it correctly
You don't say which rom was on the tab previously - so once the partitions are repaired and you've run the unlocked bootloader flash you'll need to immediately boot to recovery and flash an ics/jb rom ...do not try booting into android until you have done this....else you'll need to do everything all over again!!!
dibb_nz said:
k, hopefully its just your partitions messed up and not the dreaded hardware failure... you got couple options left and both of these will work from apx mode
Click to expand...
Click to collapse
Very helpful threads. Exactly the problems I was facing. Using the babsector a501a commands, I am getting a "create failed: (bad data)" and "bootloader status: fatal failure to read/write to mass storage" errors right after it creates the partitions. I am guessing that it is probably faulty memory then and it just can't write to it no matter if I am doing it correctly or not. Thanks for all your help.
erndixon said:
I am guessing that it is probably faulty memory then and it just can't write to it no matter if I am doing it correctly or not. Thanks for all your help.
Click to expand...
Click to collapse
try this: http://forum.xda-developers.com/showthread.php?p=49951540
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.
This Optimized Guide is for NvFlash Flatline only! That is for stock Android Versions: 10.6.1.15.3 - 10.6.1.27.5.
According to this post and this post, it works with the tf300tg as well. Bootloader: 10.6.2.11
Original Thread: http://forum.xda-developers.com/showthread.php?t=2455922
Why install NvFlash?
rayman said:
The AndroidRoot.Mobi Team is proud to present Flatline: Nvflash for TF300T Jellybean!
This release allows generating nvflash blobs for your specific device, making your device unbrickable as long as you have a copy of the blobs.
As a brand new feature, it will also enable wifi and upload a copy of the blob to androidroot's server. Later, a solution will be released to retrieve the blobs from the server if you ever loose them.
https://www.androidroot.mobi/pages/guides/tegra3-guide-nvflash-jellybean/
Credit goes to the AndroidRoot.Mobi team:
Bumble-Bee (Apache14), IEF, kmdm, lilstevie & RaYmAn.
Click to expand...
Click to collapse
You will need ADB and fastboot for this: http://forum.xda-developers.com/showthread.php?p=42407269. I would suggest keeping the tablet at least at 50% battery.
Guide:
1) Download files
NvFlash for windows.
and the TF300 image, which is a custom recovery for the purpose of flashing the AndroidRoot Bootloader.
Place image in ADB folder, and rename it to: flatline_device.img
2) Install Naked Drivers. This may be optional for you. If you can proceed to the next step without, you won't need it.
3) Enter fastboot by rebooting and holding down the power and vol down button. TF300 enters fastboot automatically since this is 4.2 BL.
4) Next we need to enter a command. In side the ADB folder, hold shift and right click. Then select Open command window here.
first check to make sure the device is connected:
Code:
fastboot devices
The device serial number should be listed.
enter command:
Code:
fastboot flash recovery flatline_device.img -i 0x0b05
Blue bar on device will fill. Be patient.
5) Reboot the Device back into Android. This is an important step.
6) Reboot into recovery which should be CWM at this point. Go Advanced -> Wheelie. Accept the warning.
step 1) Flash AndroidRoot BL
The device will shut down, reboot into Android. Then reboot back into recovery.
step 2) Once back in recovery select go to Advanced ->:”Generate wheelie blobs” Be patient here too.
They can be found in the device at /data/media/AndroidRoot" or /tmp/AndroidRoot
You can use ADB to get them:
Code:
adb pull /data/media/AndroidRoot
or
Code:
adb pull /tmp/AndroidRoot
Alternatively, you can use a root file explorer such as ES File Manager. Be sure to copy all of the files out of the directory. Make sure you have root access before you try to search for the files.
Keep this file safe in multiple places.
7)The next section (Accessing NVFlash) is for creating more essential backups with NVFlash.
step 1) Hold down the volume up key while rebooting and the tablet is plugged in via USB. (This may take a few tries to get into APX mode). If you are successful, the screen will be blank and the device name on the computer will be something along the lines of "NVIDIA APX"
step 2) Take the NvFlash tools zip and extract them to a folder. Shift right click in that folder and select "Open Command window here".
step 3) Copy the blob.bin from the Step # 7 above into the NvFlash folder.
step 4) run the command:
Code:
wheelie --blob blob.bin
8) Next we run some commands to get even more backup files. These should all be run from the same command window in the previous step.
Code:
nvflash --resume --rawdeviceread 0 2944 bricksafe.img
Code:
nvflash --resume --read 14 factory-config.img
Code:
nvflash --resume --read 7 unlock-token.img
These files will be stored in C:\User\AppData\Local\VirtualStore (on the computer)
If they are not there, run a search on your computer for
Code:
*img
9.) Flash any other recovery you want, including TWRP. Be sure it is the correct version for your bootloader.
10.) Store ALL of the img files AND the blob.bin AND all other files in the folder in multiple safe places (email, dropbox, HDD, flash drive, SD card, tape backup, or your favorite plant etc.)
11.) Enjoy the peace of mind that you can now restore your device if you brick it
Hit that thanks button if I helped and also thanks to @bucket81 and of course AndroidRoot.mobi devs @rayman
Recovery
For recovery from a brick when you have already made your NvFlash backups, look here:
As @ebildude123 pointed out, first try
Code:
nvflash -r --download 5 twrp.blob
where the output should be:
Code:
Nvflash v1.13.87205 started
[resume mode]
sending file: twrp.blob
- 8165480/8165480 bytes sent
twrp.blob sent successfully
ebildude123 said:
Then the device proceeded to reboot into android
Click to expand...
Click to collapse
If that does not work, try using the method here:
http://forum.xda-developers.com/showthread.php?t=2590450
Thanks to @lj50036 and @bucket81
Hello guys! This nvflash does it work in the Memopad 301T or only TF300T? Both tab works for Tegra 3.
nadorf said:
Hello guys! This nvflash does it work in the Memopad 301T or only TF300T? Both tab works for Tegra 3.
Click to expand...
Click to collapse
If you can flash a Tf300t version of CWM recovery to your ME301 then it could work. I dont have a 301, so i cant test it but i dont think it will because this is bootloader specific and the me301 does not have the same bootloader.
Does this work with TF300TG\L?
spider623 said:
Does this work with TF300TG\L?
Click to expand...
Click to collapse
Im not sure if you can flash a tf300t recovery on a TG or L. If you can, then it should work fine, but if you have to use a separate recovery, then this may not be compatible. You could try modding a tf300tg CWM with the NVflash scripts though, but dont expect any support.
cmendonc2 said:
4) Next we need to enter a command. In side the ADB folder, hold shift and right click. Then select Open command window here.
first check to make sure the device is connected:
Code:
adb devices
The device serial number should be listed.
enter command:
Code:
fastboot flash recovery flatline_device.img -i 0x0b05
Blue bar on device will fill. Be patient.
Click to expand...
Click to collapse
Think you mean fastboot devices not adb devices
cmendonc2 said:
Im not sure if you can flash a tf300t recovery on a TG or L. If you can, then it should work fine, but if you have to use a separate recovery, then this may not be compatible. You could try modding a tf300tg CWM with the NVflash scripts though, but dont expect any support.
Click to expand...
Click to collapse
It is for twrp but no idea for cwm
Sent from my Nexus 4 using Tapatalk
spider623 said:
It is for twrp but no idea for cwm
Sent from my Nexus 4 using Tapatalk
Click to expand...
Click to collapse
You could use WinRar to extract the NvFlash scripts from the tf300t image version but i dont really know how you would implement those then,
cmendonc2 said:
You could use WinRar to extract the NvFlash scripts from the tf300t image version but i dont really know how you would implement those then,
Click to expand...
Click to collapse
No need, they are the same, only difference is one file that you can put in any rom before flashing to her the radio to work, same for the TL
Sent from my Nexus 4 using Tapatalk
Just wondering, if I made the blobs for preJB, then upgraded to JB (so now I'm on JB bootloader), should I bother using Flatline? or will my preJB blobs be ok (and make me unbrickable)?
cravinRiboflavin said:
Just wondering, if I made the blobs for preJB, then upgraded to JB (so now I'm on JB bootloader), should I bother using Flatline? or will my preJB blobs be ok (and make me unbrickable)?
Click to expand...
Click to collapse
Well, when you restore, you restore back to ICS bootloader so you will have to reflash the stock JB zips first. I don't think its worth the hassle if you already have them.
Hey guys, I want to get some custom ROM to my TFT300. But first I want install this NvFlash Flatline, if anything goes wrong.
But now I´m looking that my android version is already 10.6.1.27.5.-20130902.
But you say in the first post that the Flatline is only for 10.6.1.15.3 - 10.6.1.27.1.
So is it a problem or it should be working anyway?
Thanks a lot
BrakeZ said:
Hey guys, I want to get some custom ROM to my TFT300. But first I want install this NvFlash Flatline, if anything goes wrong.
But now I´m looking that my android version is already 10.6.1.27.5.-20130902.
But you say in the first post that the Flatline is only for 10.6.1.15.3 - 10.6.1.27.1.
So is it a problem or it should be working anyway?
Thanks a lot
Click to expand...
Click to collapse
Since it is also the latest 4.2 bootloader, it should work fine.
cmendonc2 said:
Since it is also the latest 4.2 bootloader, it should work fine.
Click to expand...
Click to collapse
I had 10.6.1.27.5 on my device before i upgraded it to CM11 with Grimlock kernel. I did it with the tool for idiots in a hurry so i did not remember to do this but one guy at Q & A section said this should be easy to do even i have CM11. I am kind of new with these tablets and android so i dont know very much but does that work exactly same way even i have CM11 that i would have Stock rom with 10.6.1.27.5 or is the bootloader changed in the CM11? I have Scanno TWRP. As i said i am very confused about these names and dont know very much but little guidance would be a great help.
I can read the guides and do as they told but im just too scared to do that when i am not 100% sure that everything is compatible and that bootloader thing is very strange because i dont know what bootloader i have in CM11.
Matatusku said:
I can read the guides and do as they told but im just too scared to do that when i am not 100% sure that everything is compatible and that bootloader thing is very strange because i dont know what bootloader i have in CM11.
Click to expand...
Click to collapse
Installing CM does not change your bootloader, so if you were running the latest Asus firmware before, you should be fine.
To make sure, you can check the bootloader version on the top-left of the bootloader screen.
Sent from my TF300T using Tapatalk
Matatusku said:
I had 10.6.1.27.5 on my device before i upgraded it to CM11 with Grimlock kernel. I did it with the tool for idiots in a hurry so i did not remember to do this but one guy at Q & A section said this should be easy to do even i have CM11. I am kind of new with these tablets and android so i dont know very much but does that work exactly same way even i have CM11 that i would have Stock rom with 10.6.1.27.5 or is the bootloader changed in the CM11? I have Scanno TWRP. As i said i am very confused about these names and dont know very much but little guidance would be a great help.
I can read the guides and do as they told but im just too scared to do that when i am not 100% sure that everything is compatible and that bootloader thing is very strange because i dont know what bootloader i have in CM11.
Click to expand...
Click to collapse
No, the bootloader does not change when you flash ROMs. So, you still have the 10.6.1.27.5 bootloader installed on your tablet. When you run the guide, the TWRP you have by scanno will be overwritten and you will have to flash it again at the end once you have made the backups.
cmendonc2 said:
No, the bootloader does not change when you flash ROMs. So, you still have the 10.6.1.27.5 bootloader installed on your tablet. When you run the guide, the TWRP you have by scanno will be overwritten and you will have to flash it again at the end once you have made the backups.
Click to expand...
Click to collapse
Would this method work for 10.6.1.14.10? Because I see that this is the latest one and I can't get above that version at this time. Not even on the official site. (TF700T)
aminpro715 said:
Would this method work for 10.6.1.14.10? Because I see that this is the latest one and I can't get above that version at this time. Not even on the official site. (TF700T)
Click to expand...
Click to collapse
Well I'm not experienced with tf700t bootloaders, but it says that it is compatible with bootloader version 10.6.1.14.4. That may be the same as 10.6.1.14.10 but you will have to check in the tf700 forum.
Does not work for me in step 4!
hello
I have followed your tutorial on my Asus TF300T Android 4.2.1 build 10.6.1.27.5.
I installed ADB Fastboot, placed flatline_device.img file in the ADB folder.
When I get to step 4 the fastboot devices command displays the serial number of my tablet but the command to flash the image file does nothing !...
My question is: Should the tablet be rooted for this manipulation? or it could be something else?
Thank you for your help