My doobol U2.v0.2 with android 4.2.2 and kernel 3.0.36 is not working!!!!!

[mrttz82]

hello guys
i bought it yesterday and wanted to update it, and did the followings:

Installed drivers from RockusbDriver_3.5 - x86 - Win7 .

Started RKBatchTool.exe from Rockchip_Batch_Tool_v1.7 .

Program recognizes device and field 1 was green.

Selected your firmware image rk3188-bt-0626.img , and started upgrade.

Program writed firmware and checked it, last line was green.

Connected device to TV, applied power and notthing happens!!!!!!

it is not working any more. my pc recognize it and the red light starts but android is not starting.
as my pc recognize it i don't think it is a hardware problem.
please help me. i don't know what to do?



Here is the message after restoring:
**********Restore Action**********
**********Restore Start Total<1>**********
<Layer 2-1-1> Test Device Start
<Layer 2-1-1> Test Device Success
<Layer 2-1-1> Lowerformat Device Start
<Layer 2-1-1> Lowerformat Device Success
<Layer 2-1-1> Test Device Start
<Layer 2-1-1> Test Device Success
<Layer 2-1-1> Check Chip Start
<Layer 2-1-1> Check Chip Success
<Layer 2-1-1> Get FlashInfo Start
<Layer 2-1-1> Get FlashInfo Success
<Layer 2-1-1> Prepare IDB Start
<Layer 2-1-1> Prepare IDB Success
<Layer 2-1-1> Download IDB Start
<Layer 2-1-1> Download IDB Success
<Layer 2-1-1> Reset Device Start
<Layer 2-1-1> Reset Device Success
<Layer 2-1-1> Wait For Loader Start
<Layer 2-1-1> Wait For Loader Success
<Layer 2-1-1> Test Device Start
<Layer 2-1-1> Test Device Success
<Layer 2-1-1> Download Firmware Start
<Layer 2-1-1> Download Firmware Success
<Layer 2-1-1> Reset Device Start
<Layer 2-1-1> Reset Device Success
**********Restore Done Success<1> Fail<0> Time<139996>ms**********

[zzmakii]

Firmware image rk3188-bt-0626.img is for Doobol v0.1, which has quite a different hardware then Doobol v0.2, and of course will not boot.
You should try to flash firmware DOOBOL.V0.2.BT.0926D (google for it).

Disclaimer: I don't have Doobol v0.2, and can not try it.

[mrttz82]

thanks, i did it and it worked well but it's older than my original firmware which i deleted accidently

Firmware image rk3188-bt-0626.img is for Doobol v0.1, which has quite a different hardware then Doobol v0.2, and of course will not boot.
You should try to flash firmware DOOBOL.V0.2.BT.0926D (google for it).

Disclaimer: I don't have Doobol v0.2, and can not try it.

thanks, i did it and it worked well but it's older than my original firmware which i deleted accidently

[mrttz82]

linux for doobol u2

thanks, i did it and it worked well but it's older than my original firmware which i deleted accidently

by the way, do you know any linux os for doobol u2, i searched several days and could not find any?????