3. A limited number of iPhone 6S Plus models could feature a sapphire cover.
Via 9to5mac.com
In November of 2013, Apple was reported to have signed a $578 million contract with GT Advanced Technology for a supply of advanced sapphire material. That deal resulted in the tech world buzzing about how Apple was likely to use sapphire for the screens of the iPhone 6 or the iPhone 6 Plus. In the end, the rumors ended up being false, but why the excitement with sapphire covers in the first place? Well first, sapphire is considerably more scratch-resistant than the gorilla glass that iPhone screens are currently made with, so consumers might be able to worry less about putting their keys and their iPhones in the same pocket. However, the problem with sapphire is that while it is more scratch-resistant, it is also much more prone to shattering. That’s probably the reason why Kuo mentioned that a sapphire cover will only be used in the limited edition iPhone 6S Plus if drop test issues can be resolved. Second, sapphire, which is currently used for the iPhone home button’s Touch ID technology, could allow for whole palm-print scans instead of just fingerprint scans. That would greatly improve the security provided by Touch ID technology.
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