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Background and Identification ¶ 

The iPhone 4S is Apple's 5th iteration of the iPhone. Announced on October 4th, 2011 at the Let's Talk iPhone event, the 4S shares the same body styling as its predecessor, the iPhone 4, but includes a series of software and hardware updates. It features both CDMA and GSM technology, making it a world phone; Apple's new A5 dual-core processor chip; an 8 megapixel camera with 1080p HD video capability; a new dual antenna system; Siri, a voice recognizing and talking assistant; and Bluetooth 4.0.

Troubleshooting ¶ 

Diagnose any issues you may be having with your iPhone 4S using our iPhone 4S Troubleshooting Guide.

Specifications ¶ 

Announce date: October 4, 2011

Developer: http://www.apple.com

Operating System: iOS 5

Display (Retina Display):

  • 3.5 in (89 mm)
  • 1.5:1 aspect ratio widescreen
  • 960 x 640 px at 326 ppi
  • 800:1 contrast ratio
  • LED backlit IPS TFT LCD

Camera: Contains both front and rear facing cameras.

  • Front Camera
    • VGA (720p) at 30fps
  • Rear Camera
    • 8 MP
    • HD Video (1080p) at 30fps
    • LED Flash
    • IR filter
    • 5 element lens
    • facial recognition / image stabilization

Processor: Apple A5 system-on-a-chip

RAM: 512MB DDR2

Storage: 16, 32, 64 GB Flash Memory

Wireless Connectivity:

  • Integrated 802.11 b/g/n (2.4 GHz only)
  • Bluetooth 4.0
  • Quad-band GSM/GPRS/EDGE (800 850 900 1800 1900 MHz)
  • Quad-band UMTS/HSDPA/HSUPA (800 850 900 1900 2100 MHz) (800 MHz unannounced)
  • Dual-band CDMA/EV-DO Rev. A (800 1900 MHz)
  • GPS signal reception

Dimensions: 4.54 × 2.31 × 0.37 in (115.2 × 58.6 × 9.3 mm)

Weight: 140 g (4.9 oz)

Additional Information ¶