1. Turn the phone off.
2. Then press-hold the Power and Volume Down buttons for five seconds.
3. Let go of these buttons whe the Boot Mode starts.
4. A new menu will open. In it, select Android Recovery - use Volume Down to navigate through the menu and Volume Up to select the option.
5. After an Android icon pops oscreen, press the button on the bottom right corner of the screen two or three times. If that wont work, press-hold both Volume buttons for a few seconds.
6. Done. Yay,