Knowing which the best iPhone used to be easy – you just had to choose the colour and the storage capacity. It was guaranteed to be among the best smartphones on sale. But now, things are not so ...

The iPhone 4S suffers from the same problem as the iPhone 3GS. It's a nice little bump, but there's not much to write home about. The iPhone 6 could become the best-selling iPhone in history.

The iPhone 15 also had an underwhelming start to the year: from January to March, Apple reported a 10% year-over-year drop ... the market for used phones could grow by about 13% a year through ...

That makes 10 iPhone designs since it started selling the phone in 2007. This year's iPhones are, objectively, the best phones Apple has released yet. The iPhone 6 Plus has the fastest processor ...