1. Turn off your phone.
2. Press and Hold VOLUME DOWN + Power button. Keep pressing and holding until the phone power up and until you see RECOVERY MODE in your screen.
3. Select your preferred Language first (press power button to confirm)
4. Select wipe data and cache, press Volume rocker to navigate and press POWER Button to confirm your selection
5. Select wipe data and cache again and select yes (touch the screen).
6. Reboot your phone.
