1. Turn off your cellphone.
2. Now press and hold Volume Up and Power for a few moments.
3. After the phone vibrates, release Volume Down and press Volume Up key.
4. When the Boot Mode appears, please release all the keys held.
5. A new menu will appear on screen. From it, choose Recovery by using Volume Up to scroll and Volume Down to confirm.
6. Enter the Recovery Mode by pressing Home button.
7. You are now in desired mode.
8. In here, scroll options by using Volume buttons and confirm by using the Menu key.