The main differences Apple iPhone 3GS from the previous version iPhone 3G: increased speed by 2 times; improved camera (was 2 megapixel camera without autofocus, but now 3 with autofocus); appeared Digital сompass; added voice command; slightly longer battery life. In addition, the added functionality such as the Nike + iPod, VoiceOver, support for touch [...]
The updated iPhone 3G works in UMTS and HSDPA, a built-in GPS function with A-GPS, longer battery life and improved design. Also released are two color variations phone – black (8 and 16 GB) and white (16 GB).
Apple iPhone is the first mobile phone company Apple. The developer claims the iPhone is not a plain phone, that is a “smart” device run by OS X. Unique user interface Multi-Touch is provided. That is a touchscreen control system ignoring accidental pressures, however it responses complex pressure combinations.