In 2008, on June 9, local time in the United States, Apple CEO Steve Jobs officially released the 3G version of the iPhone at this year's Apple Worldwide Developers Conference (WWDC 2008). As the second generation iPhone, 3G iPhone basically follows the appearance and user interface style of the first generation. In Apple's words, 3G iPhone is a product that combines widescreen iPod, featured network devices and innovative mobile phones.

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Apple iPhone basic performance mobile phone intelligence; Music mobile phone GSM support frequency band GSM 850/900/1 800/1900 MHz network connection GPRS theoretical talk time 5 hours listing date 20071October 65438+1October screen color1 60,000 color screen material QVG main screen resolution 3.5 inches 480×320 resolution Apple iPhone communication performance SMS Apple iPhone extended storage performance memory capacity 4GB or 16GB Bluetooth interface supports A2DP.