1.Make sure the battery of SAMSUNG GALAXY S DUOS GT-S7562 charge properly
2.Turn off SAMSUNG GALAXY S DUOS GT-S7562
3.Press and hold together : Volume Up Button + Home Button & continue with Power Button (together)
4.Or you can tryVolume Up Button + Volume Down Button+ Home Buttom + Power Button(together)
5.If we see the menu at LCD screen, choose Wipe Data/Factory Reset with Volume Button to select and use Power Button to ok or enter.
6.The SAMSUNG GALAXY S DUOS GT-S7562 will doing the process of restoring to factory default.
How to Hard Reset SAMSUNG GALAXY S DUOS GT-S7562 with Hardware key button:
