This is the Android 4.0 stock firmware for Neo G4.

Firmware download link:

https://www.dropbox.com/s/dfoix01tcwmrglb/geekbuying%20G4-2012-10-19.7z

Password: geekbuying.com

Firmware update instruction:

1 Firmware Download and unzip
2 Turns out the G4 and closes the unattached USB cable to the PC
3 G4 is on the side of a small button called “RECOVER”. This button gently by paper clip to push down, you can feel a distinct resistance
4 Switch on while holding the RECOVER button to G4 and release after about 5 to 7 seconds
5 Windows will now try to install the driver, but it will fail. In the Device Manager is where you will be shown an unknown device. Then installs the appropriate drivers from the “Driver” folder manually (depending on which operating system or 32/64 bit version)
6 Now Opens RKBatchTool. It should now appear below a pink or green button. If it is pink, you have to perform steps 2-4 again
7 If the dot is green, the tool has detected the G4. Goes above the upper right on the button with the three dots and select the appropriate. Img file from the firmware folder from
8 Then you press down the button restore. The upgrade is now done. At the end of a message is that the upgrade was successful / successful
9 The G4 should then launch in a new, what will take a while. In the period under any circumstances interrupt the power supply!