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Apple iPhone 4 specification and features

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Network
TechnologyGSM / HSPA
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100
SpeedHSPA 7.2/5.76 Mbps
Launch
Announced2010, June. Released 2010, June
StatusDiscontinued
Body
Dimensions115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
Weight137 g (4.83 oz)
BuildGlass front (Gorilla Glass), glass back, stainless steel frame
SIMMicro-SIM
 Scratch-resistant glass back panel
Display
TypeIPS LCD
Size3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Resolution640 x 960 pixels, 3:2 ratio (~330 ppi density)
ProtectionCorning Gorilla Glass, oleophobic coating
Platform
OSiOS 4, upgradable to iOS 7.1.2
ChipsetApple A4 (45 nm)
CPU1.0 GHz Cortex-A8
GPUPowerVR SGX535
Memory
Card slotNo
Internal8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM
Main Camera
Single5 MP, f/2.8, 1/3.2″, 1.75µm, AF
FeaturesLED flash, HDR
Video[email protected]
Selfie camera
SingleVGA, videocalling over Wi-Fi only
Video[email protected]
Sound
LoudspeakerYes
3.5mm jackYes
Comms
WLANWi-Fi 802.11 b/g/n, hotspot
Bluetooth2.1, A2DP
GPSYes, with A-GPS
RadioNo
USB2.0
Features
SensorsAccelerometer, gyro, proximity, compass
BrowserHTML5 (Safari)
Battery
TypeNon-removable Li-Po 1420 mAh battery
Stand-byUp to 300 h (2G) / Up to 300 h (3G)
Talk timeUp to 14 h (2G) / Up to 7 h (3G)
Music playUp to 40 h
Misc
ColorsBlack, White
ModelsA1349, A1332
SAR1.17 W/kg (head)     1.11 W/kg (body)    
SAR EU0.93 W/kg (head)     0.74 W/kg (body)    
Tests
DisplayContrast ratio: 1242:1 (nominal) / 2.016:1 (sunlight)
CameraPhoto / Video
LoudspeakerVoice 65dB / Noise 60dB / Ring 66dB
Audio qualityNoise -90.1dB / Crosstalk -89.6dB