Warning! Do this at your own risk! All your phone data (conts,photos,videos,music,messages,aplications,games,files,) will be lost! Please make backup first if you can!\r
1.Power off your phone\r
2.Press together volume down + power button until the buttons from the bottom of the screen will not flash\r
3.Release your fingers from the buttons and then press again volume down + power button until recovery menu appears on the screen\r
4.Select with volume button fory reset and then press power button\r
5.Wait until the phone restarts