Apple's recent investment in sapphire glass plants in Arizona and Massachusetts prompted speculation the synthetically-grown crystal would be used for next iPhone's entire display. But the material does not appear to have been sent to manufacturing factories ahead of the expected September launch, according to Trendforce's LEDinside analysts. iPhone 6, is expected to be released in mid-September.  This model will come in  5.5-inches. The leaked photos also appear to show an 802.11ac wireless networking chip, which enables WiFi communication more than twice as fast as current standards.