How to hard reset sony xperia C via key combination to reset pattern lock or user lock simple trick. We can remove pattern lock with android tools or by hard reset without any tool and google account. This method for sony xperia c and may works on other models of xpera mobiles. Follow the steps below to reset cellphone to factory default settings.
1.Power off your phone
2.Press and hold volume up+ Down +power button, when android logo appear press camera key
3.Select with volume keys "wipe data/factory reset" and press power to confirm
4.Select "yes" and press power to confirm
5.Wait until format ends
6.Press power key to confirm "reboot"
7.Wait until the phone restarts