How To Use  1. Wipe the screen clean with a damptissue and cloth, and remove dust witha dust removal sticker  2. Tear off the release film, align it withthe edge and hole of the screen, andgently lower it down  3.Press the middle of the screen withyour hand to allow the tempered film tonaturally adhere to the screen  4. Use a cleaning cloth to squeeze outexcess bubbles and complete theoperation