1. Switch off the phone first.
2. Now press and hold Volume Up and Power for a few seconds.
3. Release held keys when the Boot Mode appears.
4. Select Recovery option by using Volume Up to scroll and Volume Down to confirm.
5. Press the Power button to enter the Recovery Mode.
6. If everything went fine, you now are in Recovery mode.
7. In Recovery mode, scroll options by using Volume buttons and confirm by using the Power key.