DESCRIPTION

Rom: Lenovo Offical S123 2013-08-14

Language: Multilanguage (Global/ROW)

Rooted: Yes.

Gapps (Google Play): Yes.

Recovery: 3e Lenovo (Stock)

Supports use of SD as internal memory

Installation:

- Unpack A850 Stock S123.zip

- Open SP_Flash_Tool_v3.1320.0.163

- run Flash_tool.exe

- select MT6582_Android_scatter in "rom dump" folder

- Choose Option -> USB Mode, click USB Mode

- Choose Option -> DA DownLoad All -> Speed -> High Speed -> click High Speed

- Check option "DA DL All With Check Sum" 

- Turn off your phone, remove the battery.

- Connect phone via USB

- Click Firmware -> Upgrade

- When a green circle appears, you can disconnect USB, reseat the battery and power up your device. It will take several minutes for it to boot up.

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