iPhone 3G

The iPhone is an internet-connected multimedia smartphone designed and marketed by Apple 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 an Internet client (with email, web browsing, and local Wi-Fi connectivity). The first-generation phone hardware was quad-band GSM with EDGE; the second generation also adds UMTS with HSDPA.

Apple announced the iPhone on January 9, 2007. The announcement was preceded by rumors 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.On March 17, 2009, Apple announced the iPhone firmware version 3.0, due to be released in summer 2009.

This article is about the mobile phone sold by Apple Inc


Specifications

Apple publishes a full description of the iPhone 3G's technical specifications. Specifications for the original model were available before the release of the 3G model.

Features common to both versions

  • Screen size: 3.5 in (89 mm)
  • Screen resolution: 480×320 pixels at 163 ppi, with 3:2 aspect ratio
  • Input devices: Multi-touch screen interface plus a "Home" button and "Sleep/Wake" located on the top of the iPhone.
  • Built-in rechargeable, non-removable battery
  • 2 megapixel camera
  • Location finding by detection of cell towers and Wi-Fi networks
  • Samsung ARM1176JZ(F)-S v1.0 (620 MHz underclocked to 412 MHz, 32-bit RISC PowerVR MBX 3D graphics co-processor)
  • Memory: 128 MB DRAM
  • Storage: 8 GB or 16 GB flash memory
  • Operating System: iPhone OS
  • Quad band GSM / GPRS / EDGE: GSM 850 / 900 / 1800 / 1900
  • Wi-Fi (802.11b/g)
  • Bluetooth 2.0 with EDR
  • 20Hz to 20kHz frequency response (both internal and headset)

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)
  • Digital SAR of 0.974 W/kg

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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