iphone

The three generations of the iPhone in chronological order. From left to right: original, 3G, 3GS.
Manufacturer	Apple Inc.
Type	Candybar smartphone
Release date	Original: June 29, 2007 (2007-06-29)[1] 3G: July 11, 2008 (2008-07-11)[2] 3GS: June 19, 2009 (2009-06-19)[3]
Units sold	21.17 million (as of Q2 2009)[update][4]
Operating system	iPhone OS 3.0 (build 7A341)
Power	Original: 3.7 V 1400 mAh 3G: 3.7 V 1150 mAh 3GS: 3.7 V 1219 mAh[5] Internal rechargeable non-removable lithium-ion polymer battery[6]
CPU	Original & 3G: Samsung 32-bit RISC ARM 1176JZ(F)-S v1.0[7] 620 MHz underclocked to 412 MHz[8] PowerVR MBX Lite 3D GPU[9] 3GS: ARM Cortex-A8 833 MHz underclocked to 600 MHz PowerVR SGX GPU[10]
Storage capacity	Flash memory (Original: 4, 8, & 16 GB; 3G: 8 & 16 GB; 3GS: 16 & 32 GB)
Memory	Original & 3G: 128 MB DRAM[11] 3GS: 256 MB[10]
Display	320×480 px, 3.5 in (89 mm), 2:3 aspect ratio, 262,144-color LCD
Sound	Two speakers, TRRS headphone jack, 20 Hz to 20 kHz frequency response (internal, headset), microphone
Input	Multi-touch display, headset controls, proximity and ambient light sensors, 3-axis accelerometer[12] 3GS also includes: digital compass[13]
Camera	Original & 3G: 2.0 megapixels with geotagging 3GS: 3.0 megapixels with video (VGA at 30 fps), geotagging, and automatic focus, white balance, & exposure
Connectivity	Wi-Fi (802.11b/g), Bluetooth 2.0+EDR (3GS: 2.1), USB 2.0/Dock connector Quad band GSM 850 900 1800 1900 GPRS/EDGE[14] 3G also includes: A-GPS; Tri band UMTS/HSDPA 850, 1900, 2100[15] 3GS also supports: 7.2 Mbps HSDPA
Online services	iTunes Store, App Store
Dimensions	Original: 4.5 in (115 mm) (h) 2.4 in (61 mm) (w) 0.46 in (11.6 mm) (d) 3G & 3GS: 4.5 in (115.5 mm) (h) 2.4 in (62.1 mm) (w) 0.48 in (12.3 mm) (d)
Weight	Original & 3GS: 135 g (4.8 oz) 3G: 133 g (4.7 oz)
Related	iPod Touch (Comparison)