If you’ve ever installed a screen protector on your smartphone, you know how temperamental the process can be. Everything starts off hopeful. You clean your phone and eliminate every speck of dust.

The InvisibleShield XTR4 Screen Protector from Zagg is a high-end screen protector designed to provide exceptional protection and clarity for your smartphone's display. It is fortified with graphene, ...

While a screen protector can’t save your phone from a nasty drop — that’s what a good case is for — it’s still worth having. It can keep your screen safe from cracks and scratches that make scrolling ...