Wash and dry your hands
Clean the screen thoroughly with a microfiber cloth
Use a dust removal sticker or tape to lift off any dust
Lift the nearest edge of the screen protector slightly
Reapply the protector slowly from one side to the other
Push bubbles outward with a credit card wrapped in a soft cloth
Press firmly from the center toward the edges
Use a hair dryer on low heat for a few seconds if the protector is flexible
Smooth the area again after warming
Leave small bubbles alone for 24 to 48 hours if they are air bubbles
Remove and replace the protector if bubbles are caused by dust or damage