Database Users

[Q] Bricked A500: partition table invalid

Summary: I tried to install the ROM that shouldn't be named over FLEXREAPER extreme, and now the tablet is bricked.
Previous state: A500, unlocked ICS bootloader v7, Thor recovery 1.7.3, FLEXREAPER RF1 EXTREME revision 2.
What I did:
I entered CWM recovery
I wiped data, cache, dalvik cache, and battery status
I installed Tegraowners ICS ROM v169
I installed gapps-ics-20120429 (without rebooting)
I rebooted the tablet.
In retrospect, I suppose things went wrong when I didn't reboot before installing gapps, but it's too late to change that now.
Current state: the tablet won't boot, and pressing vol-up / vol-down doesn't help.
Connecting an USB cable from Linux, I get the USB ID 0955:7820, so the tablet seems to be in APX mode. I tried flushing the boot loader from scratch, but the operation fails:
Code:
./nvflash --bct bct.bct --setbct --bl bootloader_apx.bin --configfile flash.cfg --odmdata 0x300d8011 --sbk 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX --sync
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0xXXXXXXXXXXXXXXXX
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: bct.bct
- 4080/4080 bytes sent
bct.bct sent successfully
odm data: 0x300d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader_apx.bin
| 714981/714981 bytes sent
bootloader_apx.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
failed executing command 25 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: partition table is invalid, missing required information (code: 14) message: nverror:0x4 (0x4) flags: 0
The above bootloader_apx.bin is ICS v7.
Edit: I do have a CWM backup taken just before installing the new ROM. So I suppose what I'm asking here is, how can I get to a bootable state with CPUID, SBK, the beginning of mmcblk0, and a working nvram. Help please?

lcd047 said:
Summary: I tried to install the ROM that shouldn't be named over FLEXREAPER extreme, and now the tablet is bricked.
Previous state: A500, unlocked ICS bootloader v7, Thor recovery 1.7.3, FLEXREAPER RF1 EXTREME revision 2.
What I did:
I entered CWM recovery
I wiped data, cache, dalvik cache, and battery status
I installed Tegraowners ICS ROM v169
I installed gapps-ics-20120429 (without rebooting)
I rebooted the tablet.
In retrospect, I suppose things went wrong when I didn't reboot before installing gapps, but it's too late to change that now.
Current state: the tablet won't boot, and pressing vol-up / vol-down doesn't help.
Connecting an USB cable from Linux, I get the USB ID 0955:7820, so the tablet seems to be in APX mode. I tried flushing the boot loader from scratch, but the operation fails:
Code:
./nvflash --bct bct.bct --setbct --bl bootloader_apx.bin --configfile flash.cfg --odmdata 0x300d8011 --sbk 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX 0xXXXXXXXX --sync
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0xXXXXXXXXXXXXXXXX
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: bct.bct
- 4080/4080 bytes sent
bct.bct sent successfully
odm data: 0x300d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader_apx.bin
| 714981/714981 bytes sent
bootloader_apx.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
failed executing command 25 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: partition table is invalid, missing required information (code: 14) message: nverror:0x4 (0x4) flags: 0
The above bootloader_apx.bin is ICS v7.
Edit: I do have a CWM backup taken just before installing the new ROM. So I suppose what I'm asking here is, how can I get to a bootable state with CPUID, SBK, the beginning of mmcblk0, and a working nvram. Help please?
Click to expand...
Click to collapse
If u cannot get to fastboot volume up/power to flash a recovery
and cannot boot to the OS or recovery
U will need to downgrade back to HC. See jazzyjames rollback thread on how to do that.
Yr cpuid is listed above as 'chip uid'

Ok, solved
Thanks for the answer. I got it working with TimmyDean's tool in a roundabout way: I re-created the partitions with TimmyDean's bootloader, and that allowed me to flash the unlocked ICS bootloader and recovery. Then I rebooted into recovery and I was back in business.
I should note however that I lost all the data from the internal sdcard in this process. I'm not sure if that was the result of me futzing with nvflash, or if re-creating the partitions did that; the end result is all files are gone. That's a pain, but survivable. At least my tablet is back, which is good, because with that rounded shape it would have made a lousy door stop.

[Q] Acer iconia a500 power but no display

i have this acer iconia i recently update facebook via playstore,its getting bootloop then suddenly when i press the power button on the power led indicator will lights but no display could someone can help me?:crying:

katz1328 said:
i have this acer iconia i recently update facebook via playstore,its getting bootloop then suddenly when i press the power button on the power led indicator will lights but no display could someone can help me?:crying:
Click to expand...
Click to collapse
Sounds like you are stuck in APX mode. A little reading will straighten things out.

badly needed help
could someone give some links to fix this problem i dont have my cpu id and sbk, EUU stop working in my laptop, apx tools are not working could someone help me im badly needed some help w/ this matter tnx for thos who help me

I have the exact same issue.
Power button turns white - screen is black - no vibration from power button - seems dead.
The tablet was untouched and stock - I have never rooted anything or messed with any ROMs.
It had updated to ICS a while back and was working great until yesterday when it just wouldn't turn on besides the power button.
I have tried holding down the volume up and power button reset. I have tried the reset button. I have tried unhooking the battery.
After checking this forum I have installed the ACER drivers and plugged the tablet into my PC. It is showing up as APX.
I believe I am stuck in APX mode so from what I'm reading there is hope I can somehow salvage the tablet even though I didn't try flashing
anything and haven't screwed with it before.
Since I have never messed with flashing android stuff I really have no idea where to start as the guides seem to be for people who have experience. Where do I start? From what I'm reading I'll need a CPUID but how do I get that from a "dead" machine.
I am a quick learner if someone has the time to point in the right direction. Maybe I'll get hooked on flashing ROMs and can contribute something here.
Thanks for any help you can give.

If yr tab is stuck in apx mode, you're gonna need yr cpuid to recover it, there is no other way....see cpuid guide in my SIG and checkout srbeens method using Linux to retrieve it or usbdeview....
If getting stuck happened spontaneously it points to the faulty chip issue requiring replacement from Acer... check post #3 of the root guide in my SIG for ways to recover from apex mode, you might get lucky but be aware that if its happened once it will happen again...
EDIT see this post http://forum.xda-developers.com/showthread.php?p=37421071 regarding new motherboards on eBay
Sent from my GT-I9300 using Tapatalk 2

dibb_nz said:
If yr tab is stuck in apx mode, you're gonna need yr cpuid to recover it, there is no other way....see cpuid guide in my SIG and checkout srbeens method using Linux to retrieve it or usbdeview....
If getting stuck happened spontaneously it points to the faulty chip issue requiring replacement from Acer... check post #3 of the root guide in my SIG for ways to recover from apex mode, you might get lucky but be aware that if its happened once it will happen again...
EDIT see this post http://forum.xda-developers.com/showthread.php?p=37421071 regarding new motherboards on eBay
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Thank you for the info. I was able to get my cpuid and sbk last night following the guide that used Ubuntu live cd. It was fun to play with Linux again.
I want to try and recover and if it continues to be a problem I will replace the board.
Looking at post 3 from your guide it appears my next step will be to use nvflash.
I am a little lost on what I will be flashing since I don't have anything backed up (flash a recovery?) and don't have a custom ROM to flash.
I just a need a push in the right direction.
Thanks for the help.

sixstring774 said:
Thank you for the info. I was able to get my cpuid and sbk last night following the guide that used Ubuntu live cd. It was fun to play with Linux again.
I want to try and recover and if it continues to be a problem I will replace the board.
Looking at post 3 from your guide it appears my next step will be to use nvflash.
I am a little lost on what I will be flashing since I don't have anything backed up (flash a recovery?) and don't have a custom ROM to flash.
I just a need a push in the right direction.
Thanks for the help.
Click to expand...
Click to collapse
Well done getting yr cpuid!!
If you want stock, your best bet is an Acer EUU. There's one in the guide which will take u back to HC 3.0.1. Blackthund3r has one in his acer OTA update thread too I think in dev forum....
Next step is getting out of apx mode...use lcd047's method in the cpuid guide....just use the image folder from your EUU ...and no need to do the boot loader part....Also use Linux again to run nvflash commands, no driver issues with that, unlike windows....
See how u go with that for a start. You should be able to OTA all the way to ICS with that EUU, if u want.
Sent from my GT-I9300 using Tapatalk 2

dibb_nz said:
Well done getting yr cpuid!!
If you want stock, your best bet is an Acer EUU. There's one in the guide which will take u back to HC 3.0.1. Blackthund3r has one in his acer OTA update thread too I think in dev forum....
Next step is getting out of apx mode...use lcd047's method in the cpuid guide....just use the image folder from your EUU ...and no need to do the boot loader part....Also use Linux again to run nvflash commands, no driver issues with that, unlike windows....
See how u go with that for a start. You should be able to OTA all the way to ICS with that EUU, if u want.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
Well we are getting somewhere but I hit a snag.
After running nvflash command the tablet instantly vibrated and I now have the ACER logo on the screen and the words Entering Acer Download Mode in the corner. I'm not sure if the command ran correctly as there was an error at the end in regards to partitions
[email protected]:~/Desktop/nvflash/Image$ sudo ./nvflash --bct flash.bct --setbct --odmdata 0x100c0105 --configfile flash.cfg --create --bl bootloader.bin --sbk 0x6C886F00 0xA4A2F106 0x4BEB1504 0xD8292103 --go
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c70044220d657
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0x100c0105
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714385/714385 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x5 (0x1000005) flags: 0
What to do next? Thanks for guiding me in the right direction.

sixstring774 said:
Well we are getting somewhere but I hit a snag.
After running nvflash command the tablet instantly vibrated and I now have the ACER logo on the screen and the words Entering Acer Download Mode in the corner. I'm not sure if the command ran correctly as there was an error at the end in regards to partitions
[email protected]:~/Desktop/nvflash/Image$ sudo ./nvflash --bct flash.bct --setbct --odmdata 0x100c0105 --configfile flash.cfg --create --bl bootloader.bin --sbk 0x6C886F00 0xA4A2F106 0x4BEB1504 0xD8292103 --go
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c70044220d657
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0x100c0105
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714385/714385 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x5 (0x1000005) flags: 0
What to do next? Thanks for guiding me in the right direction.
Click to expand...
Click to collapse
OK bad data and partition error too...
Which EUU did u end up using?
tdv4 is known to reset partitions but in some instances fails. The babsector.rar file can be more successful... link in the root guide with some instructions how to use.
You're gonna need a ROM to flash and At this stage I'd suggest a custom ICS one...
babsector will/should also flash up the skrilax_cz v8 unlocked bootloader.
If u get still get a bad data error then yr tab is toast...BUT keep trying it 8, 10, 15 times you may get lucky
PS:
Oh check the euu image folder for the .bat file and see if the odm data values match with what u are using manually.
There are 2 values used in different euu's and no-one as ever explained why this is....the one u used and this one 0x300d8011
To leave download/apx mode the windows command is nvflash -r --go
See vaches post bottom of post 3 in root guide, for more nvflash commands. You might just get lucky
good luck!!
dibb
Sent from my GT-I9300 using Tapatalk 2

dibb_nz said:
OK bad data and partition error too...
Which EUU did u end up using?
tdv4 is known to reset partitions but in some instances fails. The babsector.rar file can be more successful... link in the root guide with some instructions how to use.
You're gonna need a ROM to flash and At this stage I'd suggest a custom ICS one...
babsector will/should also flash up the skrilax_cz v8 unlocked bootloader.
If u get still get a bad data error then yr tab is toast...BUT keep trying it 8, 10, 15 times you may get lucky
PS:
Oh check the euu image folder for the .bat file and see if the odm data values match with what u are using manually.
There are 2 values used in different euu's and no-one as ever explained why this is....the one u used and this one 0x300d8011
To leave download/apx mode the windows command is nvflash -r --go
See vaches post bottom of post 3 in root guide, for more nvflash commands. You might just get lucky
good luck!!
dibb
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
I used this EUU
Official Acer EUU 3.0.1
WHOA!! Something happened overnight. When I went to bed last night I was stuck in APX.
I was going to try a new EUU or babsector like you suggested. As I was getting ready to do that I powered on the tablet. It vibrated and the ACER logo came up on the screen. First time it has done that since I started trying to fix it. It does not say it is download mode like it did before.
Looking at the guide there is a section that says
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
Should I be trying that now?
---------- Post added at 06:25 PM ---------- Previous post was at 05:48 PM ----------
sixstring774 said:
I used this EUU
Official Acer EUU 3.0.1
WHOA!! Something happened overnight. When I went to bed last night I was stuck in APX.
I was going to try a new EUU or babsector like you suggested. As I was getting ready to do that I powered on the tablet. It vibrated and the ACER logo came up on the screen. First time it has done that since I started trying to fix it. It does not say it is download mode like it did before.
Looking at the guide there is a section that says
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
Should I be trying that now?
Click to expand...
Click to collapse
I ended up trying the tdv4 EUU. I put the tablet back into APX mode.
This was the result.
[email protected]:~/Desktop/root-3.2.1/Image$ sudo ./nvflash --bt --odmdata 0x100c0105 --configfile flash.cfg --create --bl bootloader.bin --sbk 0x6C886F00 0xA4A2F106 0x4BEB1504 0xD8292103 --go
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c70044220d657
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0x100c0105
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714385/714385 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
creating partition: PT
creating partition: EBT
creating partition: GP1
creating partition: SOS
creating partition: LNX
creating partition: APP
creating partition: CAC
creating partition: MSC
creating partition: FLX
creating partition: AKB
creating partition: UDA
creating partition: GPT
Formatting partition 2 BCT please wait.. FAILED!
command failure: create failed (bad data)
bootloader status: partition table is required for this command (code: 8) message: nverror:0x4 (0x4) flags: 0
I just tried babsector on my PC. It also had an error
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c70044220d657
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
creating partition: PT
creating partition: APP
creating partition: EBT
creating partition: GP1
creating partition: SOS
creating partition: LNX
creating partition: CAC
creating partition: MSC
creating partition: FLX
creating partition: AKB
creating partition: UDA
creating partition: GPT
failed executing command 12 NvError 0x120002
command failure: create failed (bad data)
bootloader status: fatal failure to read / write to mass storage (code: 9) messa
ge: nverror:0x8 (0x19000008) flags: 0
Press any key to continue . . .
Ideas?

Its not looking good m8
Someone else posted ebay have new m/b's listed for $50, you may want to look into that??
Couple of things to note though:
maybe just a copy/paste error but
you wrote: [email protected]:~/Desktop/root-3.2.1/Image$ sudo ./nvflash --bt --odmdata 0x100c0105
should be nvflash --bct flash.bct --setbct --configfile flash.cfg --create --odmdata 0xb00d8011 --bl bootloader.bin --go
the BCT error - if you d/l apxflash tool and run it....you MUST dump, save then use your tabs BCT when u get to the "bct window" - carry on with the tool and then put your tab in apx mode manually - just before the flash you'll see a window with a couple of check boxes "show nvflash commands'" check that to show any flash errors....flash it and see what happens
failure to write to mass storage - just another symptom of the "bad sector fault"
you might try a factory hard reset via rotation switch - this should wipe all userdata and cache and has been known to fix a few problems
With all the tools and some persistence (otherwise known as banging one's head against a brick wall. lol) something may end up working....thats all I can offer you at the moment...others who have been in this same situation will post something like you did...whoa all of a sudden it worked!!!! Be aware though it will happen again sometime in the future unfortunately...as I said before, your best bet is gonna be ebay

Well I tried for a few more hours to get something flashed and finally gave up and ordered a new board. Since this thing bricked itself without me ever screwing around with the file system I've got to believe it's a hardware issue. Hopefully the new board will last longer than 14 months like this one. Thanks for the tips on trying to revive it. After installing the new board I might get into some of this custom ROM stuff. What do you suggest for a ROM?

a500 USB DRIVER VANISHES
I need a little help my device is stuck in apx mode (blank screen with power led on) i have uid (cpuid) and sbk i have read a lot fom this forum and have all the tool to root, flash, load.. But my main problem is that when i reset my acer a500 and the usb is attached the windows 7 recognizes the driver and (sound pops up) and the driver (acer picasso usb boot recovery driver) is there but no tool e.g apxtool or fastflash or ics rooting nothing works or regocznies the device coz when i press any option or press the key to continue the drive drops and vanishes from the window usb list in device manager and i have to manually reset acer again to get the driver back but still no use as command prompt tells me that no device is attached or found. Please help as this acer is my wifes gift to me and im trying hard to get it back its totally dead

Another A500 stuck in APX

Hey guys for the past 5 months I`ve been trying to unstuck my A500 from teh APX mode, and still no luck.
I have my CPUID/SDK, I`ve used every methodthat I know to unstuck it but I never managed it.
Can anyone share me a light? And in the case of sending it for Acer, can anyone say if is an firmware or hardware problem?
*Notes:
It all happened after I tried to intall a custom ics rom (based on stock ics rom) because that acer was delaying the launch on my country.
On the nvflash program , I get the following error
Flashing bootloader: bootloader_v8.bin ...
Nvflash started
[resume mode]
Formatting partition 4 please wait.. Command Execution failed cmd 13, error 0x12
0002
FAILED!
command failure: format partition failed (bad command)
bootloader status: unknown operation (code: 1) message: flags: 0
Nvflash started
[resume mode]
On the A500APXFlash program freezes on Step 2 uploading image.
thx in advance

caio492 said:
Hey guys for the past 5 months I`ve been trying to unstuck my A500 from teh APX mode, and still no luck.
I have my CPUID/SDK, I`ve used every methodthat I know to unstuck it but I never managed it.
Can anyone share me a light? And in the case of sending it for Acer, can anyone say if is an firmware or hardware problem?
*Notes:
It all happened after I tried to intall a custom ics rom (based on stock ics rom) because that acer was delaying the launch on my country.
On the nvflash program , I get the following error
Flashing bootloader: bootloader_v8.bin ...
Nvflash started
[resume mode]
Formatting partition 4 please wait.. Command Execution failed cmd 13, error 0x12
0002
FAILED!
command failure: format partition failed (bad command)
bootloader status: unknown operation (code: 1) message: flags: 0
Nvflash started
[resume mode]
On the A500APXFlash program freezes on Step 2 uploading image.
thx in advance
Click to expand...
Click to collapse
Do a search for "babsector", you will find exact references to the same error messages you are getting. It seems your partition table got corrupted, and now you can't write to it because it is corrupted, so babsector (misspelled badsector?) rewrites the partition table in a different location, and a different size, then re-creates it back in the correct location, thus fixing your problem. (Or something along those lines, but it will def fix your problem)
Don't forget to click "Thanks" if this fixes you up. (Tip, maybe, a lot of noobs at flashing, forget to root their tablet before flashing, thinking the flash will give them root. This is the cause for many of these first time flashers ending up in APX.)
badsector or babsector, can be found at:
http://narod.ru/disk/53919831001.a235ea2225f319015f30c009629d2075/BabSector.rar.html

Danny2 said:
Do a search for "babsector", you will find exact references to the same error messages you are getting. It seems your partition table got corrupted, and now you can't write to it because it is corrupted, so babsector (misspelled badsector?) rewrites the partition table in a different location, and a different size, then re-creates it back in the correct location, thus fixing your problem. (Or something along those lines, but it will def fix your problem)
Don't forget to click "Thanks" if this fixes you up. (Tip, maybe, a lot of noobs at flashing, forget to root their tablet before flashing, thinking the flash will give them root. This is the cause for many of these first time flashers ending up in APX.)
badsector or babsector, can be found at:
http://narod.ru/disk/53919831001.a235ea2225f319015f30c009629d2075/BabSector.rar.html
Click to expand...
Click to collapse
Thx for the response, I ran both .bat files on the folder, still I get error messages (listed below).
I`ve tried to run the nvflash.exe, but it opens and closes instantly.
Sorry if I done something wrong, I dont have much exp. on these subjects and the folder didnt present instructions how to proceed.
Error messages:
A501 A.bat:
Tablet enters in Acer download mode (Acer logo on the middle)
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 3
chip sku: 0x8
chip uid: 0x03806248436154d7
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x
5 (0x1000005) flags: 0
A501 B.bat:
Tablet enters in Acer download mode (Acer logo on the middle)
Same message as above.

caio492 said:
Thx for the response, I ran both .bat files on the folder, still I get error messages (listed below).
I`ve tried to run the nvflash.exe, but it opens and closes instantly.
Sorry if I done something wrong, I dont have much exp. on these subjects and the folder didnt present instructions how to proceed.
Error messages:
A501 A.bat:
Tablet enters in Acer download mode (Acer logo on the middle)
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 3
chip sku: 0x8
chip uid: 0x03806248436154d7
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x
5 (0x1000005) flags: 0
A501 B.bat:
Tablet enters in Acer download mode (Acer logo on the middle)
Same message as above.
Click to expand...
Click to collapse
Sorry, I am by no means an expert, but babsector has always fixed the problem for me when the error was " Command Execution failed cmd 13, error 0x12 0002"
I have not seen anyone that had the error "failed executing command 16 NvError 0x120002" come away without having to change out the Motherboard. Can't hurt to try again, sometimes it takes a couple tries to make it go. If it doesn't go, maybe you might need a new motherboard.

Danny2 said:
Sorry, I am by no means an expert, but babsector has always fixed the problem for me when the error was " Command Execution failed cmd 13, error 0x12 0002"
I have not seen anyone that had the error "failed executing command 16 NvError 0x120002" come away without having to change out the Motherboard. Can't hurt to try again, sometimes it takes a couple tries to make it go. If it doesn't go, maybe you might need a new motherboard.
Click to expand...
Click to collapse
Then its a dead tablet because the technical assistance on my country doesn`t have motherboards, bad luck then

Babsector errors out with "create failed (bad data)"

****************************************************************
* Before executing, be sure to delete recovery-from-boot.p *
* from /system to ensure recovery will stick *
****************************************************************
****************************************
* Reboot your tablet into APX mode *
****************************************
Generate your SBK with your CPUID from here :
]
Enter your SBK:0x9180C201 0x7B22F106 0x7B4D1504 0x62512103
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 3
chip sku: 0x8
chip uid: 0x04280003433fd217
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
creating partition: PT
creating partition: APP
creating partition: EBT
creating partition: GP1
creating partition: SOS
creating partition: LNX
creating partition: CAC
creating partition: MSC
creating partition: FLX
creating partition: AKB
creating partition: UDA
creating partition: GPT
failed executing command 12 NvError 0x120002
command failure: create failed (bad data)
bootloader status: fatal failure to read / write to mass storage (code: 9) messa
ge: nverror:0x8 (0x19000008) flags: 0
Press any key to continue . . .

Sorry chap u got faulty memory chip error. Can try acer support, someone else had tab out of warranty last week. Acer repairing for free. Worth a shot!
Sent from my GT-I9300 using Tapatalk

dibb_nz said:
Sorry chap u got faulty memory chip error. Can try acer support, someone else had tab out of warranty last week. Acer repairing for free. Worth a shot!
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
Could you give a link or something?
In germany there is a warranty of 24 months if the producer have given a faulty device.
But I've only time until tommorow xD, so some stuff would help me to get a functionally device .

Fiedler5895 said:
Could you give a link or something?
In germany there is a warranty of 24 months if the producer have given a faulty device.
But I've only time until tommorow xD, so some stuff would help me to get a functionally device .
Click to expand...
Click to collapse
As far as I know you just go to the acer website. Choose "support" from the menu. I've never had to do it myself, so can't help much. The other thing is that it doesn't matter if your tab is out of warranty or not, acer seems to honour it anyway, according to the last few users who've done this.

babsector download no longer available Russian site
Please help can somebody provide me with the babsector.rar (Needed for my Acer Iconia a500) seem like Russian site is no longer available, please somebody help me. Thanks in advance!:cyclops:

Root guide in my Sig 2nd post
Sent from my HTC_PN071 using Tapatalk

BCT create error... Help!!!
Hi, All!
First of all sorry for my English...
I have a problem with my Acer Iconia Tab A501.
History:
- once upon a time, when i turn on my tablet, i have a logo ACER...and booting not continued
- i had not SD card and decide recover my A501 from my PC.
- i look at tons of posts about this, and i use EUUS method (EUUs_SBK_Acer_A501_0.017.01_PA_ATT)
- i tried to run this EUUS many times, but obtain Error when tablet turn on from APX mode to "Entering Acer Downloader Mode"
- i tried many different FastUnbric & SlowUnbrick packages - nothing happened. (stuck on creating BCT, or lower formatting BCT)
- one of the days i use EUUS again? and it works! And i have HC 3.0.1
- then i put on SD card image.dat with HC 3.2.1 - OK!
- then i take upgrades from ACER with WiFi - OK!
- then i take upgrade ti ICS 4.0.3 from ACER with WiFi - download success, but when tab rebooted - logo ACER...and booting not continued
- from SD card put 3.2.1 over 4.0.3 - OK! AND I HAVE FUN ABOUT MONTH!!!
- but i want 4.0.3!!!
- insalling this version have one result - logo ACER (installing wia WiFi, or from SD card)
- ok many manipulation with others unbrickers (icluding BabSector) have one result - my Tab Bricked in APX mode and turned on with NVFLASH to "Entering Acer Downloader Mode".
Lower "screenshot" of BabSector, i have this now!
I don't think the eMMC chip is dead - this error was early, but 3.2.1 worked fine about the month until i decided upgrade it to ICS 4.0.3
CPUID and SBK - correct!!!
Here is EROOR:
****************************************************************
* Before executing, be sure to delete recovery-from-boot.p *
* from /system to ensure recovery will stick *
****************************************************************
****************************************
* Reboot your tablet into APX mode *
****************************************
Enter your SBK:0xC3A11E00 0x9743C501 0xD7092103 0x302C2103
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x038061c7428041d7
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x
5 (0x1000005) flags: 0
Для продолжения нажмите любую клавишу . . .
Thanks to All...
Serg.

Same problem
Hello, I have the same problem. can anyone help?
[email protected] said:
Hi, All!
First of all sorry for my English...
I have a problem with my Acer Iconia Tab A501.
History:
- once upon a time, when i turn on my tablet, i have a logo ACER...and booting not continued
- i had not SD card and decide recover my A501 from my PC.
- i look at tons of posts about this, and i use EUUS method (EUUs_SBK_Acer_A501_0.017.01_PA_ATT)
- i tried to run this EUUS many times, but obtain Error when tablet turn on from APX mode to "Entering Acer Downloader Mode"
- i tried many different FastUnbric & SlowUnbrick packages - nothing happened. (stuck on creating BCT, or lower formatting BCT)
- one of the days i use EUUS again? and it works! And i have HC 3.0.1
- then i put on SD card image.dat with HC 3.2.1 - OK!
- then i take upgrades from ACER with WiFi - OK!
- then i take upgrade ti ICS 4.0.3 from ACER with WiFi - download success, but when tab rebooted - logo ACER...and booting not continued
- from SD card put 3.2.1 over 4.0.3 - OK! AND I HAVE FUN ABOUT MONTH!!!
- but i want 4.0.3!!!
- insalling this version have one result - logo ACER (installing wia WiFi, or from SD card)
- ok many manipulation with others unbrickers (icluding BabSector) have one result - my Tab Bricked in APX mode and turned on with NVFLASH to "Entering Acer Downloader Mode".
Lower "screenshot" of BabSector, i have this now!
I don't think the eMMC chip is dead - this error was early, but 3.2.1 worked fine about the month until i decided upgrade it to ICS 4.0.3
CPUID and SBK - correct!!!
Here is EROOR:
****************************************************************
* Before executing, be sure to delete recovery-from-boot.p *
* from /system to ensure recovery will stick *
****************************************************************
****************************************
* Reboot your tablet into APX mode *
****************************************
Enter your SBK:0xC3A11E00 0x9743C501 0xD7092103 0x302C2103
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x038061c7428041d7
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x
5 (0x1000005) flags: 0
Для продолжения нажмите любую клавишу . . .
Thanks to All...
Serg.
Click to expand...
Click to collapse

TRY THIS!!!
Worked for me. try this
http://forum.xda-developers.com/showthread.php?t=2617196
[email protected] said:
Hi, All!
First of all sorry for my English...
I have a problem with my Acer Iconia Tab A501.
History:
- once upon a time, when i turn on my tablet, i have a logo ACER...and booting not continued
- i had not SD card and decide recover my A501 from my PC.
- i look at tons of posts about this, and i use EUUS method (EUUs_SBK_Acer_A501_0.017.01_PA_ATT)
- i tried to run this EUUS many times, but obtain Error when tablet turn on from APX mode to "Entering Acer Downloader Mode"
- i tried many different FastUnbric & SlowUnbrick packages - nothing happened. (stuck on creating BCT, or lower formatting BCT)
- one of the days i use EUUS again? and it works! And i have HC 3.0.1
- then i put on SD card image.dat with HC 3.2.1 - OK!
- then i take upgrades from ACER with WiFi - OK!
- then i take upgrade ti ICS 4.0.3 from ACER with WiFi - download success, but when tab rebooted - logo ACER...and booting not continued
- from SD card put 3.2.1 over 4.0.3 - OK! AND I HAVE FUN ABOUT MONTH!!!
- but i want 4.0.3!!!
- insalling this version have one result - logo ACER (installing wia WiFi, or from SD card)
- ok many manipulation with others unbrickers (icluding BabSector) have one result - my Tab Bricked in APX mode and turned on with NVFLASH to "Entering Acer Downloader Mode".
Lower "screenshot" of BabSector, i have this now!
I don't think the eMMC chip is dead - this error was early, but 3.2.1 worked fine about the month until i decided upgrade it to ICS 4.0.3
CPUID and SBK - correct!!!
Here is EROOR:
****************************************************************
* Before executing, be sure to delete recovery-from-boot.p *
* from /system to ensure recovery will stick *
****************************************************************
****************************************
* Reboot your tablet into APX mode *
****************************************
Enter your SBK:0xC3A11E00 0x9743C501 0xD7092103 0x302C2103
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x038061c7428041d7
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
failed executing command 16 NvError 0x120002
command failure: create failed (bad data)
bootloader status: failed to create the partition (code: 10) message: nverror:0x
5 (0x1000005) flags: 0
Для продолжения нажмите любую клавишу . . .
Thanks to All...
Serg.
Click to expand...
Click to collapse

TechShui said:
****************************************************************
...command failure: create failed (bad data)
bootloader status: fatal failure to read / write to mass storage (code: 9) messa
ge: nverror:0x8 (0x19000008) flags: 0
Press any key to continue . . .
Click to expand...
Click to collapse
Sound like a EMMC/ROM problem...Just send it to RMA if you could.

But what if it's out of warranty?
I took out the Mother Board to a local electronics repairman, he blew heat gun over the sandiskNAND memory chip. I put it back together and turned on. To my surprise it worked.
You can find a thread link in my post above for further help.
androidvillage said:
Sound like a EMMC/ROM problem...Just send it to RMA if you could.
Click to expand...
Click to collapse

farhanalisyed said:
But what if it's out of warranty?
I took out the Mother Board to a local electronics repairman, he blew heat gun over the sandiskNAND memory chip. I put it back together and turned on. To my surprise it worked.
You can find a thread link in my post above for further help.
Click to expand...
Click to collapse
Pretty much all 500 and 501 tablets are out of warranty. I believe maybe some few places may have them new, and sell them. But I wouldnt buy one. (hence the RMA post). But technically, if you buy it, it starts the warranty, so indeed you should be able to RMA the purchase.

[Q]PB Liberty Tab Recovery Help Needed Stuck

HI, I have been working on the PB Liberty Tab G100 for over a week.. I just want it back to stock.. no custom boot loaders or roms etc.. just so they can use it..
the story so far... I was asked to repair a PB liberty tab that was supposedly just freezing.. I think it had a custom boot V8..
Recovery was not working just getting the android dube with red triangle.. so installed thor recovery via fastboot..
tried the update method.. did not work.. tried everything.. but was having an issue with the wiping and formating...
I managed to finally get the cpuid by using a 64 bit version of ubuntu and have managed to get the SBK.. tried the recommended flashs A500 apx etc
but now i'm stuck in apx mode.. when i try to use V8-UNL-ICS-HC-bootloader-MULTI-cwm method I get the failed to format..
info found from this thread http://forum.xda-developers.com/showthread.php?t=1751978
**********************************************************
* Press any key when your A500 is in bootloader mode *
**********************************************************
Press any key to continue . . .
Flashing HC-Bootloader...
Nvflash started
[resume mode]
Formatting partition 4 please wait.. Command Execution failed cmd 13, error 0x12
0002
FAILED!
command failure: format partition failed (bad command)
bootloader status: unknown operation (code: 1) message: flags: 0
Nvflash started
[resume mode]
I think I have an internal storage issue, or bad sectors.. or I am just not using the right apx.. and help would be awesome..
i have read so many forum sections and pieced together which has finally got me into the device.. but now I seem to have hit a brick wall..
so help i have tried to track down the bad sectors software to run in apx mode but cant seem to find it al all the link i have found are dead..
quick update
**********************************************************
* Make your choise: *
*(1) ICS bootloader V8 with TWRP-2.1.3-ICS cwm(touch cwm)*
*(2) ICS bootloader V8 with PubRecovery-v0.2 (BareBones) *
*(3) ICS bootloader V8 with Thor-1.7cwm (touch cwm) *
*(4) ICS bootloader V8 with Thor-1.7.3 NEW cwm(touch cwm)*
* with its compatible recoveries. *
**********************************************************
(1 2 3 4):4
Loading bootloader...
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c62484260****
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: bct.bct
- 4080/4080 bytes sent
bct.bct sent successfully
odm data: 0x300d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader_apx.bin
| 714981/714981 bytes sent
bootloader_apx.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
failed executing command 25 NvError 0x120002
command failure: sync failed (bad data)
bootloader status: Bct Write Failed (code: 22) message: nverror:0x42008 (0x60420
08) flags: 0
*****************************************************************
* Press any key when your A500/501/G100W is in bootloader mode *
*****************************************************************
Press any key to continue . . .
UPDATE
I have tried running Badsector but all i get it this.. I have checked the correct drivers are installed.. but just seem to be stuck..
I am thinking my internal storage is fried..
****************************************************************
* Before executing, be sure to delete recovery-from-boot.p *
* from /system to ensure recovery will stick *
****************************************************************
****************************************
* Reboot your tablet into APX mode *
****************************************
Generate your SBK with your CPUID from here :
http://vache-android.com/v1/index.php?site=sbk
Enter your SBK:0x****1E00 0x0**51700 0xEB*****2 0x682*****
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 4
chip sku: 0x8
chip uid: 0x037c624842601397
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
- 4080/4080 bytes sent
flash.bct sent successfully
odm data: 0xb00d8011
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: bootloader.bin
| 714409/714409 bytes sent
bootloader.bin sent successfully
waiting for bootloader to initialize
bootloader downloaded successfully
setting device: 2 3
creating partition: BCT
creating partition: PT
creating partition: APP
creating partition: EBT
creating partition: GP1
creating partition: SOS
creating partition: LNX
creating partition: CAC
creating partition: MSC
creating partition: FLX
creating partition: AKB
creating partition: UDA
creating partition: GPT
failed executing command 12 NvError 0x120002
command failure: create failed (bad data)
bootloader status: fatal failure to read / write to mass storage (code: 9) messa
ge: nverror:0x8 (0x19000008) flags: 0
Press any key to continue . . .