Clean your hands and use the alcohol wet wipe carefully clean the screen, ensure there is no glue on the screen protector.
Cleaning the screen with the dry wipe carefully, ensure this is no water spots.
Clean the screen with the dust-removing sticker, ensure there are no dust spots on the cloth in the last process, do not touch the screen with fingers. Peel-off the release film, and align the glass, make all of the buttons and holes align properly it straight to the mobile phone. 5. Gently press the centre of the glass to help exhaust air, remove the bubbles from centre to sides with the microfiber cloth.