20. iPhone 4S
When Apple announced this phone, it was testament to the power of the rumour mill that people were angry it wasn't called the iPhone 5, but it has given birth to the trend of semi-phone updates being given the "S" addition.
Predictably the iPhone 4S is no longer the iOS handset we recommend, but it's still a very worthy choice in the smartphone game thanks to some decent upgrades through iOS 6 (although the newer iOS 7 may struggle on it a little bit).
But, if you want to stick to iOS 6 or upgrade to iOS 7, things will still run perfectly fine.
When the phone came out, though, we were hoping for a larger display (which finally appeared on the iPhone 5), and things such as a lack of Bluetooth transfer, no Flash integration with the internet browser and an uninspiring contacts app still grate.
Two 2 generations on, however, and it's still a great phone that you can pick up on a cheap plan. It's also a nice entry level iPhone for those who want the Apple experience without the Apple price tag.