Attention! After this reset, all personal data from phone will be lost, so make a backup before.
1.Power off your phone
2.Push together volume up+home key+power button
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
That's it!
Here is video how to do:https://www.youtube.com/watch?v=DRPYGEEa6Fo
1.Power off your phone
2.Push together volume up+home key+power button
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
That's it!
Here is video how to do:https://www.youtube.com/watch?v=DRPYGEEa6Fo