As glass protection Top da me an object has fallen onto the display - Display all - only the tempered glass sheet is damaged. However, the iPhone 5S of fingerscan difficult to achieve because of the hard glass protection as opposed to a normal film is a lot thicker, thus sits the Home button deeper. 2. gripe is the darkening of the displays - unlike a film, the display needs to be asked a lot brighter, which improves the battery performance degraded.