The tempered glass is a hardened glass, specially designed to cover and protect your phone's screen from scratches and other damage. It does not affect the screen's functionality. In case of a phone drop, it does not guarantee that the screen will not break along with it, however, it is an additional protection. It is compatible with iPhone 17e / 16e / 14 / 13 / 13 ProNokia 6.1. See full description