Friday, September 23, 2016

flashing help... mtcb-kgl1-V1.77 (rk3188 low res screen) (erisin bmw specific)

Hi all
Back Story:
Due to a frozen OS (back /home /swipe down for notifications etc.) and bazaarthings happen with the sound settings rendering my device unusable I've had to dabble with it for the first time.

Detailed device info:

MCU version:
MTCB-KGL1-V1.77
May 142014 17:49:17

Model number:
S07

S/N
000D18A154C5

Android Version
4.2.2

Kernel Version
3.0.36+
root@ubuntu #555
Wed May 14 03:45:57 PDT 2014

Build number
rk30sdk-eng4.2.2 20140514.19:44:15


My first fix attempt was the "restore system from backup" option from the recovery menu, but alas a missing backup image... :( fail one...

Also note worthy is that my menu has less options than most screen shots I've seen on youtube etc.
menu options:
>reboot system now
>update system/mcu image from /sdcard
>recovery system from backup


Failing to find the original image anywhere, I went with malask latest ROM that looked likely to work on my device ( from what I have read here a massive upgrade anyway! :) )

However it is not going so well:

Attempt 1:
Pop update.img + mcu.img (kgl1 1.77) on empty SD card in gps slot
result:
-- Update rkimage...
Finding update package...
=== UPDATE RKIMAGE===
Find and check firmware...
Can not found firmware image or invalid image
Installation rkimage start.
Installation rkimage aborted.
Installation mcucfg start.
Installation mcucfg aborted.
Installation mcuimg start.
Installation mcuimg success.
System will now power off.
Rebooting...


Attempt 2:
Pop update.img + mcu.img (kgl1 1.77) on empty SDcard in media slot
result: same as Attempt 1 :(


Attempt 3:
Pop update.img + mcu.img (kgl1 1.77) on empty usbStick
> it does not see the USB drive in the recovery screen :(
> ( but does once system reboots to it's slightly frozen and broken OS )


Attempt 4:
The rock chip Android Flash tool
> my windows PC does not see the unit ( I expect for same reason that unit does not see USB until it boots into the home screen
> the Rock chip driver installer tool claims to have installed the drivers correctly


Attempt 5:
getting desperate...
5.1.1 update.img for mtcb (low res / "_p") found off this forum / mega
result: same as Attempt 1 :(


I am now officially stuck, ideas anyone?:eek
Am missing something?
Maybe links to different ROM to try on sd card?
Any help greatly appreciated !


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