Need Help Flashing 8gb A500 (BCT problems???) - Acer Iconia A500

I've got a couple ICS 8GB A500's I'm trying to flash so I can do the memory swap thing with 16gb microsd's. I'm stuck at the very beginning trying to get an unlocked bootloader and clockworkmod installed.
I've followed several of the guides and they all seem to be failing at the same spot. I've done blackthund3r and afterota and V8-UNL-ICS-HC-bootloader-MULTI-cwm script with no luck.
I'm pretty sure the problem is something to do with my BCT. Running afterota to flash or blackthund3r w/o custom BCT each puts the tablet into the recovery mode but nvflash errors on a bunch of partition commands and fails to upload the images (afterota sticks on 3/5 for instance or blackthund3r hangs uploading the bootloader).
My guess is that it's because my BCT is different from the majority of every elses because I'm using the little 8gb version.
I tried blackthund3r using the extract BCT, but it simply hangs immediately after loading the bct and never gets the tablet into recovery mode. I looked at the extracted bct.dec, and it looks like the same few bytes repeated over and over (nothing like the default bct's) so I'm pretty sure that blackthund3r is failing to extract my BCT properly.
Can anyone assist me in getting a valid bct.bct for my 8gb devices so I can make some forward progress? (calling Blackthund3r if you're out there...)
Version info according to afterota. I also have the serial, cpuid, and sbk according to afterota:
Android Build: Acer_AV041_A500_1.033.00_PA_CUS1
Bootloader : 0.03.12-ICS

The only way to fix bct errors usually is to roll back to HC via timmydeans v4 or with srbeens direct nvflash command... if u have Ubuntu try nvflash with it
One thing tho is I don't know if the partitions, bct are the same for the 8gb - guess only one way to find out aye
U myt wanna look at jdgment3ls easy pass thread regarding reverting to stock
Let us know how u get on, good luck!
Sent from my GT-I9300 using Tapatalk 2

dibb_nz said:
The only way to fix bct errors usually is to roll back to HC via timmydeans v4 or with srbeens direct nvflash command... if u have Ubuntu try nvflash with it
One thing tho is I don't know if the partitions, bct are the same for the 8gb - guess only one way to find out aye
U myt wanna look at jdgment3ls easy pass thread regarding reverting to stock
Let us know how u get on, good luck!
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
I tried using jdgment3ls method and that failed (I got the acer icon with the red letters about failed validation or something...can't remember).
I went with timmydeans v4 and boom...back on honeycomb. From there acer recovery got me clockwork. I also ran blackthund3r's upgrader with default bct and it worked perfectly this time so now I have a hacked ICS bootloader and clockwork recovery. As soon as the ICS rom finishes I should be back to ICS and can restore my data.
Thanks for the help.

ybarra said:
I tried using jdgment3ls method and that failed (I got the acer icon with the red letters about failed validation or something...can't remember).
Click to expand...
Click to collapse
oh, "boot recovery failed"?? thanks for testing it out, was worth a go
I went with timmydeans v4 and boom...back on honeycomb. From there acer recovery got me clockwork.
Click to expand...
Click to collapse
just a note, tdv4 has cwm pre-installed
I also ran blackthund3r's upgrader with default bct and it worked perfectly this time so now I have a hacked ICS bootloader and clockwork recovery.
Click to expand...
Click to collapse
Fantastic, pleased it worked for u
As soon as the ICS rom finishes I should be back to ICS and can restore my data.
Click to expand...
Click to collapse
ICS???? Stock???? this will overwrite yr recovery with the stock recovery??
The procedure requires u to put a rom on yr card to flash straight into after patching the BL - most folk flash one of the many custom roms - let us know please how u get on with this!!!
Thanks for the help.
Click to expand...
Click to collapse
nps thanks for posting back, will help others who may be in similar situation!!!

dibb_nz said:
oh, "boot recovery failed"?? thanks for testing it out, was worth a go
just a note, tdv4 has cwm pre-installed
Fantastic, pleased it worked for u
ICS???? Stock???? this will overwrite yr recovery with the stock recovery??
The procedure requires u to put a rom on yr card to flash straight into after patching the BL - most folk flash one of the many custom roms - let us know please how u get on with this!!!
nps thanks for posting back, will help others who may be in similar situation!!!
Click to expand...
Click to collapse
Sure, I was just trying to figure out what did or didn't work after I used tdv4. It appears that it returned my system to "normal" so all the usual tools worked like acer recovery, blackthund3r, etc. I can only speculate that maybe the out-of-the-box 8gb had a different BCT and tdv4 has set it like everyone else's now.
Yes, I returned the system to ICS Stock after validating that blackthund3r worked (it of course overwrote the bootloader). From there I rerooted it with blackthund3r and removed the .sh script that deletes custom recoveries. I then reused blackthund3r to put a patched bootloader and recovery back on. I'll probably look at custom roms later, but for now I just wanted to get to stock w/ the custom bootloader & recovery and root and then use cwm to flash the memory swap mod.
For the record, I used Titanium backup. It failed to backup and restore the Minecraft maps, pictures/videos, and one or two game settings so I lost all of that. Is there a better backup program to use before tdv4? I usually just use the one built into CWM, but obviously I couldn't get to that one before tdv4 on this unit.

Related

Help with my Iconia A501!

I have installed the ICS V4 bootloader and everything is fine. (it has the big PASS thing). I can boot up to HC 3.2.1 fine as well.
However, when I go to press power+volume down, I get "booting from recovery kernal image" then it switches to a picture of the android with a caution sign.
Do I have to root my device and install CWM or something? (sorry I'm still quite noob at this, I haven't rooted yet). Didn't I already install this when I installed the bootloader?
Thanks in advance!
Booting stock HC and stock ICS after installation of ICS BL overwrites recovery.
Follow civatos guide for installing ICS BL V4:
http://forum.xda-developers.com/showthread.php?t=1622425
And do all the steps.
Greetings
edit: on Moscow's advice ;-)
HalloSpencer said:
Booting stock HC after installation of ICS BL overwrites recovery.
Follow civatos guide for installing ICS BL V4:
http://forum.xda-developers.com/showthread.php?t=1622425
And do all the steps.
Greetings
Click to expand...
Click to collapse
This includes Stock ICS Roms also
Thanks guys. I immediately booted to recovery after installing the bootloader. Now I have ICS running.
If I wanted to update to the V5 bootloader, could I do it without reinstalling my rom?
You guys are awesome
jgv115 said:
Thanks guys. I immediately booted to recovery after installing the bootloader. Now I have ICS running.
If I wanted to update to the V5 bootloader, could I do it without reinstalling my rom?
You guys are awesome
Click to expand...
Click to collapse
If I'm not mistaken, I believe you can put the v5 bootloader.blob in a flash.zip and flash through CWM. That's one method. This became available as of ver4.
The other would be to run the NVFlash again you used previously, and install only the bootloader (apx?). Your CWM and Rom should remain intact.
I use Blackthund3r's flash exe to install my .bin files. (gives some funny windows error but always completes) I just toss the new bootloader.bin in the same folder as the exe app. Also the latest recovery image. Do them both at the same time.
So basically 3 methods. Also, check your new UID number and make sure you convert it to SBK like you did the last time. ICS usually changes the UID number sometimes. I usually keep all UID's and SBK's written down.
Moscow Desire said:
If I'm not mistaken, I believe you can put the v5 bootloader.blob in a flash.zip and flash through CWM. That's one method. This became available as of ver4.
The other would be to run the NVFlash again you used previously, and install only the bootloader (apx?). Your CWM and Rom should remain intact.
I use Blackthund3r's flash exe to install my .bin files. (gives some funny windows error but always completes) I just toss the new bootloader.bin in the same folder as the exe app. Also the latest recovery image. Do them both at the same time.
So basically 3 methods. Also, check your new UID number and make sure you convert it to SBK like you did the last time. ICS usually changes the UID number sometimes. I usually keep all UID's and SBK's written down.
Click to expand...
Click to collapse
Can you pm me that windows error please? I think it's to do with my mode detection code being stopped abruptly but I want to have it fixed properly for v0.3.3
Sent from my Iconia A500 using Tapatalk 2

boot verified failed after aplying update.zip

So i just installed a update.zip files from vaches full package thread but now i am getting a boot verified failed error at boot. How can i fix this?
andriodfanatic said:
So i just installed a update.zip files from vaches full package thread but now i am getting a boot verified failed error at boot. How can i fix this?
Click to expand...
Click to collapse
What update, and what were you running before? Lots of update files.
HC? ICS? Version?
I was doing a HC one. I was going from HC 3.2 to HC 3.0.1 i used this update.zip "Acer_A500_1.104.05_COM_GEN1"
andriodfanatic said:
I was doing a HC one. I was going from HC 3.2 to HC 3.0.1 i used this update.zip "Acer_A500_1.104.05_COM_GEN1"
Click to expand...
Click to collapse
Can I ask why you were trying to downgrade? Were you trying to get root access?
Be careful when using update.zips. Not all will work depending on what you currently have installed. Which is why you got the error.
Try this...
http://forum.xda-developers.com/showthread.php?t=1307539
I suppose, you never did a Recovery backup, or you don't know your UID number?
I was able to fix the Boot verified failed by putting a HC 3.2.1 update.zip on the sd card and doing a recovery and it booted! Now time to root
andriodfanatic said:
I was able to fix the Boot verified failed by putting a HC 3.2.1 update.zip on the sd card and doing a recovery and it booted! Now time to root
Click to expand...
Click to collapse
Glad you know what you;re doing! Good luck to Ya!
Word to the wise, make sure you get your CPUID or it may not work out so well next time... Save it someplace safe as it may help if you can't flash using CWM...
ultramag69 said:
Word to the wise, make sure you get your CPUID or it may not work out so well next time... Save it someplace safe as it may help if you can't flash using CWM...
Click to expand...
Click to collapse
yup i have my cpuid/serial post-it noted on my wall, saved in windows sticky tabs, and stored in my dropbox,. keep that number safe lol!
Worth its weight in gold.... pity its just data and has no weight....

Its done... Or is it?

I'm on a verizon 10.1 tablet running 3.2, I successfully rooted after flashing a stock image to it via Odin. Upon installing a from via cwm it is a brick. Device will not power on, I can get adx mode and that's it. I need someones help in getting this device up and running again. Hopefully via nvflash and I.hope whoever helps provides proper links and step by step instructions..
deletethespam said:
I'm on a verizon 10.1 tablet running 3.2, I successfully rooted after flashing a stock image to it via Odin. Upon installing a from via cwm it is a brick. Device will not power on, I can get adx mode and that's it. I need someones help in getting this device up and running again. Hopefully via nvflash and I.hope whoever helps provides proper links and step by step instructions..
Click to expand...
Click to collapse
Also looking for help with the Verizon tablet. In theory a set of partN.img files for nvflash would work, right?
suggestion
try charging ur device for sometime (may be as simple as that)...if not try booting to download mode
still need help
Kishorsidu.. thanks for the help but as a senior.member I would think you would.come.up.with better advice than that.. of course that's been tried! All I have is nvflash access that is it!!! Nothing.other than.nvflash will.communicate with the device
I think you have encountered eMMC BrickBug.
Check thread http://forum.xda-developers.com/showthread.php?t=1879941
Did you try recovering using nvflash?
forum.xda-developers.com/showthread.php?t=1478361
Sent from my GT-P7510 using Tapatalk 2
podtalje said:
I think you have encountered eMMC BrickBug.
Check thread http://forum.xda-developers.com/showthread.php?t=1879941
Click to expand...
Click to collapse
My device hangs when booting, so I do not think the eMMC BrickBug applies to me.
kishorsidu said:
Did you try recovering using nvflash?
forum.xda-developers.com/showthread.php?t=1478361
Click to expand...
Click to collapse
I can get into fastboot, Odin download mode, and nvflash. No adb, no recovery, no Heimdall. Evidently the APP partition on my device is only 256MB and the system.img is larger than that, so I can not flash that partiton with Odin, fastboot or nvflash. I have a feeling I can restore my tablet given nvflash dumps of the broken partitions, specifically the partition table. It might be possible to restore the OP's tablet with a similar set of files.

[Q] Help with Acer Iconia A500 Tablet

Hello people of the forum, I am newbie with android, I've been asking for help because my tablet stopped working after I followed a tutorial to route it, I used a program "Afterota v1" tutorial here on the forum in order to install APX more now I can no longer start, he did not ask to update.zip, I do not know what it ta asking update the screen as it is in the image Please someone help me to recover it.:crying:
the picture in this link, take the space, as I am new user can not post link, thanks
http : // img43.imageshack. us/img43/8262/a500c. jpg
jinhad said:
Hello people of the forum, I am newbie with android, I've been asking for help because my tablet stopped working after I followed a tutorial to route it, I used a program "Afterota v1" tutorial here on the forum in order to install APX more now I can no longer start, he did not ask to update.zip, I do not know what it ta asking update the screen as it is in the image Please someone help me to recover it.:crying:
the picture in this link, take the space, as I am new user can not post link, thanks
http : // img43.imageshack. us/img43/8262/a500c. jpg
Click to expand...
Click to collapse
the picture looks ok...
check your external sd card - make sure there is not an "update.zip" on that or your internal "sd card"
the writing you see on yr tab is ok you should be able to just
"reboot" the tab and be all good??
try running the afterOTA again....
PS >>> oh are you trying to flash the unlocked bootloader or rollback to HC??
dibb_nz said:
the picture looks ok...
check your external sd card - make sure there is not an "update.zip" on that or your internal "sd card"
the writing you see on yr tab is ok you should be able to just
"reboot" the tab and be all good??
try running the afterOTA again....
PS >>> oh are you trying to flash the unlocked bootloader or rollback to HC??
Click to expand...
Click to collapse
Thanks for responding:good:, so I've tried using afterOTA again, although not the usb connection. I was trying to put recovery_twrp_2.1.3-ICS.img with apx mode, it restarted and gave PASS screen, but now is only on this screen, asking "update.zip", already put in external SD: Acer_AV041_A500_1.031.00_WW_GEN1.zip, FLEX-Resurrection_Rev1-Aroma-Public.zip, cwm_hc_ics_root.zip, and nothing.
I have this information:
Tablet Cpuid: 037C624341E05557
Tablet Sbk: 0x17A51E00 0x94ABD401 0x7BE23003 0x340A2103
Android Build: Acer_AV041_A500_1.031.00_WW_GEN1
Bootloader: 00:03:12 ICS-
jinhad said:
Thanks for responding:good:, so I've tried using afterOTA again, although not the usb connection. I was trying to put recovery_twrp_2.1.3-ICS.img with apx mode, it restarted and gave PASS screen, but now is only on this screen, asking "update.zip", already put in external SD: Acer_AV041_A500_1.031.00_WW_GEN1.zip, FLEX-Resurrection_Rev1-Aroma-Public.zip, cwm_hc_ics_root.zip, and nothing.
I have this information:
Tablet Cpuid: 037C624341E05557
Tablet Sbk: 0x17A51E00 0x94ABD401 0x7BE23003 0x340A2103
Android Build: Acer_AV041_A500_1.031.00_WW_GEN1
Bootloader: 00:03:12 ICS-
Click to expand...
Click to collapse
Because, you still are running a stock rom,. more or less.
The problem happens, because you are re-booting after installing the custom recovery. And the rom you are running, is booting it to stock recovery (it's overwriting your custom recovery) which explains why it's looking for update.zip
What you need to do, is after installing your custom recovery, boot immediately to it Via adb, or shut down and boot using Vol- and PWR. Then install your custom rom.
MD
Moscow Desire said:
Because, you still are running a stock rom,. more or less.
The problem happens, because you are re-booting after installing the custom recovery. And the rom you are running, is booting it to stock recovery (it's overwriting your custom recovery) which explains why it's looking for update.zip
What you need to do, is after installing your custom recovery, boot immediately to it Via adb, or shut down and boot using Vol- and PWR. Then install your custom rom.
MD
Click to expand...
Click to collapse
I understand, I'm stuck in this mode, how can I do the adb, this procedure, detroit afterOTA the folder, I have a folder with adb is this?, as does the process? Thank you.
jinhad said:
I understand, I'm stuck in this mode, how can I do the adb, this procedure, detroit afterOTA the folder, I have a folder with adb is this?, as does the process? Thank you.
Click to expand...
Click to collapse
keep in mind that flashing custom roms and recovery's REQUIRE the unlocked bootloader be flashed FIRST... I'd suggest apxFlash tool to do that....all u need is in civatos bootloader thread, pls read very carefully. do the first 4 steps and then use apxFlash tool to complete the process....if u don't do things exactly as written you'll end up in trouble....
good luck
Sent from my GT-I9300 using Tapatalk 2
SOLVED
dibb_nz said:
keep in mind that flashing custom roms and recovery's REQUIRE the unlocked bootloader be flashed FIRST... I'd suggest apxFlash tool to do that....all u need is in civatos bootloader thread, pls read very carefully. do the first 4 steps and then use apxFlash tool to complete the process....if u don't do things exactly as written you'll end up in trouble....
good luck
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Thank you friend, I managed to solve reading .. is that as I am the brail, my english ta weak and had difficulty understanding, most did all the steps and got .. Thank you.

[Q] Do i have this order correct to update?

So i have an A500 i rooted awhile ago.
It runs android 4.1.2
CM10
cwm bootloader 5.5.0 x thor2002ro rev 1.7
i think i installed it from cm10-flex_v6Supercharged_rev2.3_gappsIncl_public....
now i'm thinking about upgrading to android 4.4, as there seems to be one out for A500.
of course it says i need to upgrade my CWM to 6.0.4.5...
this file of course says i need to install Skrilax bootloader.
And skrilax says i need nvflash to install it.
so considering what i currently have installed, is this the correct and easiest way to go about installing a new rom`?
(i keep getting dizzy every time i try upgrading my tablet, because all these guides are soooo confusing, always referring to something that's not explained in the guides.)
well made it as far as getting the skrilex loader installed..
now i'm trying to fastboot in, and it returns
? fastboot
googling it haven't found any idea as to what is wrong
took a leap of faith.. the ? still allowed it to work..
duckforceone said:
took a leap of faith.. the ? still allowed it to work..
Click to expand...
Click to collapse
The ? means you have a connection between your pc and tab.
You are able to issue fastboot commands from yr pc. If you have a recovery.img file you can ' fastboot flash '.
The other way to flash a custom recovery is to use a 'flashable zip'. You could have used this method, by copying the zip to yr sdcard and booting to your cwm RECOVERY and using the flash zip option in the menu.
No matter tho, u sussed it out yrself, sweet
dibb
Sent from my HTC_PN071 using Tapatalk

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