Android Jiayu

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Jiayu G2

Model Number

Android Version

Baseband Version
MAUI.11AMD.W11.50.SP.V13,2012/06/11 16:45

Kernel Version
user@linux-user #1

Build Number
G16 20120901-113655

Jiayu G3

Model Number

Android Version

Baseband Version

Kernel Version

Build Number
G3 20121129-082828

Jiayu G2

Information / Purchase


  1. Internal Storage: 69MB Used, 2.4GB Free
  2. RAM: 189MB Used, 284MB Free


  1. Switch Language to English
  2. Charge to 100%
  3. Remove Downloaded Apps
    1. Baidu Input ( 4MB / Force Stop. Clear Data. Uninstall.

Chinese Apps To Remove

  • QQ / QCenterService / com.tencent.mobileqq:sc / 5.9MB
  • com.anifree.anipet.aquarium.apk / 2.7MB
  • com.dualboot.apps.springzen.apk / 4.5MB
  • / 750KB
  • / 870KB


Menu > System Settings > Developer Options > USB Debugging > Enable
Menu > System Settings > Security > Unknown Sources > Enable


  • Download and install the PDANet USB Driver for Windows.
  • Download 'Root with Restore by Bin4ry' 4.3Mb zzip file Root_with_Restore_by_Bin4ry_v18.7z (latest is version 18 as of writing).
  • Unzip to a new folder.
  • Run a Command Prompt.
  • Change into folder where you unzipped the Bin4ry files.
  • Plug in USB cable to phone and into PC, but DO NOT MOUNT SD CARD.
  • Test phone can be seen with command 'stuff/adb devices'.
  • Run shell script './RunMe.bat'.
  • Follow instructions.
  • Be patient for the 2 reboots and watch for errors on PC and phone.
  • When finished, reboot again for good measure.
  • Test by downloading 'Root Checker' app.

Official ROM Jelly Bean 4.1.2


Jiayu G3

Information / Purchase


  1. Internal Storage: 64MB Used, 2.4GB Free
  2. RAM: 300MB Used, 670MB Free


  1. Switch Language to English
  2. Charge to 100%
  3. Remove Downloaded Apps
    1. Baidu Input ( 4MB / Force Stop. Clear Data. Uninstall.
    2. FMQQ2012 (1.0) 11.9MB / Uninstall.

Rooting / CWM / Jelly Bean Update

UPDATE 2013-01-23

  1. Root phone using binary18
  2. Download CMW 5504 etc
  3. Copy to SD card root
  4. Install MobileUncleTools
  5. Load CWM 5504
  6. CWM - Make backup of your existing ROM and copy to laptop etc :)
  7. Reboot
  8. Download Offical Jiayu Update - G3-20121129-082828 folder > > sd card root
  9. Run officlal 'Update System' app on phone
  10. Reboot

Root phone using Bin4ry script.

Install mobileuncle MTK tools from market.

turn off debugging mode connect phone to pc and copy file recovery_cmw5.5.0.4_ENG.img to root of sdcard and leave it there.

start mobileuncle select update recovery and it should show you recovery_cmw5.5.0.4_ENG.img along with other recovery versions, select recovery_cmw5.5.0.4_ENG.img and then yes and boot to recovery, once in recovery do a backup and copy to pc.

Then if you want you can install the official update but you will have to re root but that's no big problem then rename file boot-from-recovery.p. system\boot-from-recovery.p to system\boot-from-recovery.p.bak if you want the cwm install to be permanent.

Published on Dec 28, 2012

How to update your Jiayu G3 with a ported version of Android Jelly Bean.

Find hereby the required files

The Clockworkmod (CWM)

Android Jelly Bean 4.1.2 for Jiayu G3

The Gapps

Thanks to DroidO

Jiayu G4