This year has seen the HTC One set a new design benchmark for Android (and now Windows Phone) handsets, Samsung switching to using real metal in its phones, and Sony refining a design language built around tempered glass and aluminum. Apple has committed an entire factory in Arizona to the full-time production of the ultra tough and scratch-resistant material, and all signs point to it planning to use it in the display for at least one of its new iPhones. Kyoceras Brigadier and Vertus exclusive range of luxury phones already have sapphire displays, and here at IFA, Huawei has just introduced its new Ascend P7 Sapphire limited edition handset. Huawei has taken the guts and design of its original Ascend P7, launched in May, and rebuilt them with more expensive stuff on the outside.