The iPhone — 
retroactively labeled the original iPhone or the iPhone 2G— was the first generation of iPhone designed and marketed by Apple Inc. and was succeeded by the iPhone 3G. It was announced on January 9, 2007[9] after months of rumors and speculation.[10] It was introduced in the United States on June 29, 2007 before being marketed in Europe. It featured quad-band GSM with GPRS and EDGE.
Release date June 29, 2007
Power Built-in rechargeable li-ion battery[3] 3.7 V 1400 mAh
CPU Samsung 32-bit RISC ARM 1176JZ(F)-S v1.0[4] 620 MHz
Underclocked to 412 MHz[5]
Storage capacity 4 GB, 8 GB or 16 GB flash memory
Memory 128 MB eDRAM[6]
Display 3.5-inch screen (diagonally)
320-by-480-pixel resolution at 163 ppi
2:3 aspect ratio
18-bit (262,144-color) LCD
Input Multi-touch touchscreen display
Proximity sensor
Ambient light sensor
Microphone
Camera 2.0 MP with geotagging
Connectivity Quad-band GSM/GPRS/EDGE
(850 900 1800 1900 MHz)
Wi-Fi (802.11b/g)
Bluetooth 2.0
USB 2.0/Dock connector
Online services App Store, iTunes Store, MobileMe
Dimensions 115 mm (4.5 in) (h)
61 mm (2.4 in) (w)
11.6 mm (0.46 in) (d)
Weight 135 g (4.8 oz)
Reference:Apple offical website 2010,Apple offical website ,ACT,viewed 1 August 2010,
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