My experience so far extend to various films that I have used with my Nexus, Note 3 and iPhone 4s. This glass is worth of an entirely different quality and obviously its price. I could easily afford it free of air bubbles. Unfortunately, I have it but not quite just get. Next time I'm going to
1. be turned on the display. 2. The iPhone lie transversely in front of me and make the alignment with the help of the enlightened displays on the long side.