The iPhone is an internet-connected multimedia smartphone designed and marketed byApple Inc. with a flush multi-touch screen and a minimal hardware interface. The device does not have a physical keyboard, so a virtual keyboard is rendered on the touch screen instead. The iPhone functions as a camera phone (including text messaging and visual voicemail), a portable media player (equivalent to an iPod), and Internet client (with email,web browsing, and local Wi-Fi connectivity). The first generation phone hardware wasquad-band GSM with EDGE; the second generation also adds UMTS with HSDPA. Apple announced the iPhone on January 9, 2007. The announcement was preceded byrumors and speculation that circulated for several months. The iPhone was initially introduced in the United States on June 29, 2007 and has since been introduced worldwide. It was named Time magazine's "Invention of the Year" in 2007. On July 11, 2008, the iPhone 3G was released. It supports faster 3G data speeds and Assisted GPS.
Original model § 4 GB model (discontinued after two months), 8 GB model or 16 GB model § Size: 4.5 inches (115 mm) (h) × 2.4 inches (61 mm) (w) × 0.46 inch (11. mm) (d) § Weight: 135 g (4.8 oz) § Battery has up to 8 hours of talk, 6 hours of Internet use, 7 hours of video playback, and up to 24 hours of audio playback, lasting over 250 hours on standby § Headphone jack (recessed)
3G model
§ Color: Black (8 GB or 16 GB) or white (16 GB)
§ Size: 4.5 inches (115.5 mm) (h) × 2.4 inches (62.1 mm) (w) × 0.48 inch (12.3 mm) (d)
§ Weight: 133 g (4.7 oz)
§ Headphone jack (non-recessed)
§ Battery has up to 10 hours of 2G talk, 5 hours of 3G talk, 5 (3G) or 6 (Wi-Fi) hours of Internet use, 7 hours of video playback, and up to 24 hours of audio playback, lasting over 300 hours on standby
§ 3G for broadband data speeds (Tri band UMTS / HSDPA: UMTS 850 / 1900 / 2100)
§ Assisted GPS, with preference to location based on Wi-Fi or cell towers
§ Digital SAR Rating: 1.38 W/kg
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