1. Hello. First, power down the phone by pressing and holding the Power button.
2. Afterwards press-hold the Volume and Power buttons at the same time.
3. Now select Recovery - use Volume buttons to select it. Wait for the Bootmode to appear on the screen; when it does, press-hold the Power button.
4. Lastly, enter Recovery Mode by pressing the Volume Up button just once.
5. Navigate it using Volume buttons; select options with Power button.