1. Press-hold the Power button to turn off the phone.
2. Now press and hold Volume Down for three seconds. While holding it, press and release Power button.
3. Now select Recovery. Press Volume Down to navigate the menu and Volume Up to confirm your choice.
4. Android logo will open on the screen. When it does, press Power button and hold it for a few seconds. While holding it, press and let go of Volume Up button.
5. Woohoo, you now are in Recovery Mode. Navigate it with Volume and Power buttons.