Hard Reset QMOBILE Noir A900
- Power off your cell phone.
- Next hold and press Volume Down + Power button for couple seconds.
- From the Factory Mode choose option "Clear eMMC" using Volume Down to scroll, and Power button to confirm.
- Now your phone will reset.
- After that select option "Reboot".
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.