iPhone guide: the models

Do you need the latest iPhone 4? Or will the iPhone 3G S do? Here's our rundown of the four-year evolution of Apple's smartphone

What is an iPhone?

iPhone guide: App Store

iPhone guide: iOS

iPhone guide: vs Android

iPhone (2007)

The Apple smartphone that started it all – the original iPhone had a 3.5-inch screen, a seriously enviable design and even an iPod inside. Can you say icon?

Read the Apple iPhone review

iPhone 3G (2008)

With the iPhone 3G, we were treated to a curved back panel, the first apps in the App Store and GPS for Google Maps. Oh, and super-fast (for now) web browsing with 3G.

Read the Apple iPhone 3G review

iPhone 3G S (2009)

The iPhone 3G S is basically an upgrade from the 3G: it's faster, shoots video and the battery stays charged up for longer. But Apple didn't give us anything radically new here.

Read the Apple iPhone 3G S review

iPhone 4 (2010)

The iPhone 4 is the model all your friends have – or want. It has a shiny new design, multi-tasking for running more than one app (like Spotify and Facebook at the same time) and as usual, browsing is faster and the battery lasts longer than any other iPhones.

Read the Apple iPhone 4 review

iPhone 5 (September 2011?)

iPhone 5 rumours have been flying around for months, all of course unconfirmed but Apple haven't let us down year-on-year so expect something exciting and iPhone shaped by the end of 2011.

iPhone 5 Wish List

iPhone 5 picture surfaces

iPhone 5 will be world's thinnest phone

iPhone 5 due out in September