Samsung Galaxy S Duos S7562 hard reset

Warning! Do this at your own risk! All your phone data (contacts,photos,videos,music,messages,a

­plications,games,files,) will be lost! Please make backup first if you can!
If you forgot your screen lock combination follow these steps.
1.Power off your phone
2.Press together volume up + volume down +home button + power button
3.Release your fingers of the phone when Samsung logo appear
4.Choose with volume buttons "wipe data/factory reset" and select it with power button
5.Choose "yes" with volume buttons and select it with power button
6.Wait untiil format is complete
7.Select "reboot".