IPhone

The iPhone is a mobile device made by Apple that features a 3.5 multi-touch display and the iPhone OS (iOS). The first iPhone was launched in 2007 and since then a total of 5 major iPhone model have been released. The latest one being the iPhone 4S.

iPhone models
The five iPhone models are:
 * 1) iPhone
 * 2) iPhone 3G
 * 3) iPhone 3GS
 * 4) iPhone 4
 * 5) iPhone 4S