The 1st generation iphone(2G) has been replaced by the 2nd generation(3G) phones sometime around june,2008. Since then only the 3G models are available in the market.The main advantages of the 2nd generation iphone over the 1st is mainly its capacity to use 3G communication as well as the normal GSM. There are also some improvements in the...

General2G Network: GSM 850 / 900 / 1800 / 1900Announced: 2007, JanuarySizeDimensions: 115 x 61 x 11.6 mmWeight: 135 gDisplayType: Capacitive touchscreen, 16M colorsSize: 320 x 480 pixels, 3.5 inches- Multi-touch input method- Accelerometer sensor for auto-rotate- Proximity sensor for auto turn-off- Scratch-resistant...