The screen shows the phone is locked, how to shut down?
In the shutdown state, hold down the power button + volume down key into the recovery mode, select wipe date / factory reset to clear the data and restore the factory settings, and wipe cache partition to clear the cache data, click OK, and then select reboot system now restart system.
If not open usb debugging, can only be double wipe clear data recovery factory mode.
Lock screen before you set the phone in the usb debug mode open, you can next brush machine wizard, which has a unlock function, you can unlock your phone.
