Find out how to choose the right screen protector, and the key to a bubble-free application.

After applying the screen protector, gently push out any bubbles with a plastic card—such as a spare loyalty or credit card.

Lift and restick. Lift and restick. You’ve been trying to get that screen protector on for over an hour now only to be repeatedly foiled by an errant speck of dust or pernicious air bubble ...