Hi guys, Cube U30GT2 original android 4.1 stock firmware coming, maybe some people don’t like Android 4.2 OS, and want to come back to Android 4.1 OS.
Click to shop Cube U30GT2
Password is geekbuying.com
If you download the firmware steps to complete but the calibration firmware error, you can enter the upgrade mode to re-click the “fix” Brush; or you can unplug the cable, press the power button after 10 seconds and then release, then press the power button for 3 seconds. The normal boot can be used(Frist brush need to wait 2-3 minutes after upgrade, so that the completion of the Android system initialization)