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.

This guide will show you how to remove the Zagg InvisibleShield Glass from your iPhone or Android. The process takes about a minute and leaves the screen clean with no residue left. You might need to ...

Once upon a time, back when the front of smartphones were all generic flat slabs of glass, buying a tempered glass screen protector was a piece of cake -- almost any brand would work, and worked well.