Full Specification

Warning! All data will be lost!

1.Power off your phone

2.Push together volume up + home button + power button until Samsung logo appears on screen

3.Scroll with volume button to "wipe data/factory reset" and press power button to confirm

4.Select "yes" and push power button to confirm

5.Wait until format ends

6.Press power to confirm "reboot"

7.Wait until the phone restarts

That's it!