DESCRIPTION

ROM Mobile SOJA S9220C – ROM Android 4.0.4

ONLY MT6577

Official ROM SOJA S9220C version :

I don't know why two version maybe 2 screens different

12D28.S7100.130304.ICS2.V13.WVGA.CN.COM.MT6628

OR

12D28.S7100.130510.ICS2.V13.WVGA.CN.COM.MT6628.GSL1680E

Gapps not include – no Rooted

Language support: EN/CN

ROM Install :

- Unpack FlashTools, and Click on Flash_tool.exe
- Select a the MT6577_Android_scatter_emmc.txt in ROM
- Wait file to be added into Flash Tool
- choose Option->USB Model,click USB Model
   –> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
- Turn off your phone, remove the battery.

- "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "
- and connect your phone into the computer via USB data cable.
- The process will start and a red progress bar will appear after color purple, yellow.
- And green circles display
- Finish !

- You can now safely disconnect your phone and turn it on.

※Please make a backup of your device before installing or updating ROM