Semi-hard, slick, clear soda-bottle style such as PET, the most common and generally best. (Gimmicky variations such as semi-reflective or matte can be fun, but less practical. ) Very hard, clear tempered glass, like a stronger microscope coverslip. Should have a plastic layer to hold together if damaged. Extremely scratch resistant, but brittle; tends to flake apart progressively once chipped. Very tough, thick plastic such as polycarbonate. Provides direct impact protection. Not very scratch resistant–won’t stay pretty. May reduce accuracy of touchscreens. Soft vinyl plastic. Not recommended as generally less pleasant to use, but does prevent scratches.
Ideal protection means getting a screen protector and a good case; a screen protector or case should ideally break and need replacement while protecting your phone from drops.
Avoid cutting glass screen protectors. You should purchase a screen protector that is the correct size of your device. Some screen protector kits include guide stickers. Without removing the backing, place the screen protector as if to install. Use the guide stickers to create a hinge on one side for easy application. Alternatively, you can stick a piece of tape on the top side of the screen protector (non-sticky side) to make it easier to place.
Some screen protector kits include a special sticker to pick up dust. Make sure you look at the screen at an angle to make sure there is no dust on the screen.
Avoid touching the sticky part of the screen protector. Handle it like you would CDs (i. e. without touching the bottom). Keep the sticky side of the screen protector facing down once you peel off the backing. Dust is less likely to get stuck when you’re applying it.
