iPhone 5S | China (Unicom)

About this iPhone The iPhone 5s featured the same overall unibody case as the iPhone 4 but with several improvements to its processing power and functionality. The processor was upgraded from the A6 to the 1.3 GHz dual-core Apple A7 processor with 1 GB of RAM. The device could be configured with 16, 32 or 64 GB of flash storage. The iPhone 5s featured a USB 2.0-based lightning port as well as a headphone jack. It supported 4G/LTE connectivity which was the fastest mobile communication standard at the time. The big feature added to the iPhone 5s was the touch ID…