Cam looks at what's changed and what's stayed the same since the original iPhone launched in 2007. Seven years of incremental updates, design changes and spec bumps have ended in a phone that's so far away in terms of performance, and yet still remains true to the design ethos of Apple.
Perhaps most welcome among the changes is the return of the rounded edges. Flat, angular edges on the iPhone 5/5s and 4/4S made the devices less comfortable to hold even if they were more attractive to look at. And there's the age-old mute switch, which is easily the most underrated feature of an iPhone.
