1. Press and hold down Volume Up +
Home, and Power button at the sam time.
2. Keep holding these buttons,
until you see the Android logo.
3. Press Volume Down to select Wipe
Data / Factory Reset.
4. Press Home button to select.
5. Now choose "Yes -- delete all user
data" using Volume Down key.
6. Now to confirm use Home button.
7. Once you have performed the hard
reset choose Reboot System Now,
Press Home button to confirm.