Hard Reset SAMSUNG I8730 Galaxy Express

1. In the first you should turn off the phone.
   
2. Then hold and press 3 keys: Home key + Volume Up + Power key.
   
3. Next release them when logo Samsung apear.
4. Now select option "wipe data/factory reset" using Volume keys to browse option, and to confirm use Power key.
   
5. Afterwards choose "yes" with Volume down key and confirm with Power key.
   
6. After previous operation, press Power key to confirm "reboot system now".
   

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