Hard Reset SAMSUNG I8262 Galaxy Core

1. Power off your phone.
   
2. Then press and hold together Home button + Volume Up button + Power button until the phone vibrates.
   
3. After a few seconds you will see little man Android and after that menu recovery.
4. In the menu choose with Volume buttons "wipe data/factory reset" and select it with Power button.
   
5. Next select "yes".
   
6. After this operation select "reboot".
   
7. Success!

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.