[Acer Iconia A500] appple:
Hi, Dibb thanks for reply back.

I tried to flash the V8 bootloader using manual nvFlash, and this is what I got

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C:\Users\A\Dropbox\Anything Acer A500\V8-UNL-ICS-HC-bootloader-MULTI-cwm>v8

****************************************************************

* This will boot your A500/501/G100W into bootloader mode, *

* flash the V8 bootloader *

* and flash recovery of your choise. *

****************************************************************

****************************************************************

* 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:xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

**********************************************************

* 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: 0xxxxxxxxxxxxxxxxxxxxx

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 . . .

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]

failed executing command 14 NvError 0x30012

command failure: partition download failed

Flashing recovery: recovery_thor1.7.3.img

Nvflash started

[resume mode]

Formatting partition 6 please wait.. Command Execution failed cmd 13, error 0x30

012

FAILED!

command failure: format partition failed

Nvflash started

[resume mode]

failed executing command 14 NvError 0x30012

command failure: partition download failed

Exiting APX mode...

Nvflash started

[resume mode]

command failure: go failed

**********************************************************

* Press any key when you are done reading nvflash output *

**********************************************************

Press any key to continue . . .

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It says something about Partition failure, so I did the Babsector per your guide,

I got this

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****************************************************************

* 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:xxxxxxxxxxxxxxxxxxxxxxxx

Nvflash started

rcm version 0X20001

System Information:

chip name: t20

chip id: 0x20 major: 1 minor: 4

chip sku: 0x8

chip uid: 0x0428018043804417

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 . . .

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the tab left upper corner says: Entering Acer Download Mode

I powered it off, and follow the guide to finish the whole thing (after the 501B, the tab showed the same Entering Acer Download Mode)

Did the wipe, flash the Rom

Same thing still, hangs at the booting primary kernel image :(