How to enter Cube U21GT Recovery Mode, Hard reset and Pattern Unlock.
Recovery Mode Cube U21GT
- Turn off the device
- Press and hold Volume Up key and Power key for a while.
- Release all key when Android logo appears
- Then press and hold Power key for a short while to enter Recovery Mode
- Use Volume keys to select Menu
- Use Power key to Confirm
Hard reset Cube U21GT
- In Recovery Mode select wipe data / factory reset
- press Power key to confirm
- select Yes — delete all user data, press power key to confirm
- select Reboot system now to finish hard reset
Warning! If you perform a hard reset, make sure to back up important data. The data can not be recovered after perfor a hard reset and Restore it to Factory default settings.