Of course, the iPhone 5S was at the cutting edge of technology when it first appeared. It was the first smartphone to use a 64-bit processor (the Apple A7), and it introduced the Touch ID ...

By effectively creating a smartphone out of a parts bin, Apple was able to develop a low-cost iPhone that shoppers might be lured in by. An iPhone 5s chassis here, an at-the-time new A9 chip there ...