Sapphire screens were part of the iPhone 6 design until the glass repeatedly cracked during standard drop tests conducted by Apple suppliers. So Apple abandoned its sapphire plans before the iPhone 6 product launch September 9.
VentureBeat has learned that recent supplier channel checks by an IDC analyst yielded several reports of the sapphire failures and Apples decision against using the glass material.
As we heard on Tuesday in Cupertino, both the iPhone 6 and the larger iPhone 6 Plus will ship with screens made of ion-strengthened glass. This was apparently Apples second choice.
New source says Apple originally planned sapphire-screened iPhone 6