1. The first thing for you to do is to switch on the device.
2. Press and hold the Power & Volume Down buttons for five seconds or so.
3. Bootloader mode menu will appear on screen. When it does, release the aforementioned buttons.
4. Select Recovery - Volume buttons to navigate, Power button to select.
5. Phone's image will appear on screen. When it does, press Volume Up + Power buttons for a few seconds.
6. Well done, you have reached Recovery mode.