Apple iPhone 5S comes with a 4-inch Retina display with fingerprint-resistant olephobic coating and Corning Gorilla Glass as protection. However, the screen on the iPhone 5S isn’t crack-resistant. Fortunately, it’s not difficult to replace the iPhone 5S screen. Follow our repair steps and you’ll have a new screen on your iPhone 5S. Tools needed: Pentalobe screwdrivers, Case opening tool, Small Phillip screwdrivers, Metal spuder opening tool, New replacement screen for iPhone 5S. Step 1: Turn off the iPhone 5S and use eject pin to take out the SIM card tray. Step 2: Use Pentalobe screwdrivers to undo 2 screws at the bottom of the phone. Step 3: Pry up the LCD screen assembly with the help of Metal Spuder Opening Tool. Wedge the casing opening tool between the LCD assembly and rear housing in order to release all the clips around the screen.