1. Power down the phone by press-holding the Power button.
2. Now press & hold the Volume Down & Power buttons. Release them when Android logo shows on screen.
3. Using Volume buttons, select Recovery option.
4. After the Android image appears, hold down the Power button for a while. This should open Recovery Mode.
5. Congrats, you are now in Recovery Mode. Use Volume buttons to navigate the menu. Press Power button to select options.