Momentarily the most expected Apple iPhone 3G, which goes on sale on July 11 in 22 countries, is first generation iPhone with built-in GPS, iPhone 2.0 software and recently released iPhone SDK. The iPhone 3G will work with quad-band GSM and tri-band HSDPA networks and also supports Wi-Fi, 3G and EDGE networks which can automatically switched. The new iPhone 3G delivers 10 hours of talk time on 2G networks and 5 hours using 3G, with up to 5 to 6 hours of web browsing, up to 7 hours for video playback and up to 24 hours for audio playback.

sources Phone Arena , Shiny Media , Stuff.tv , USA Today