Its biggest advances are Siri voice recognition, iCloud capabilities, an 8-megapixel camera and Sprint availability. It looks identical to the iPhone 4, although its interior is remodeled.

Key Features :

• iOS 5 operating system
• 8 megapixels Camera
• supports both GSM and CDMA networks
• AirPlay Mirroring
• Personal voice assistant (Siri)
• last for up to 8 hours (Talktime) on 3G

Item Includes :

• 1 x Apple iPhone 4S (64GB)
• 1 x Apple Earphones with Remote and Mic
• 1 x Dock Connector to USB Cable
• 1 x USB Power Adapter
• 1 x Documentation
• Specifications:
  

  General	2G Network	GSM 850 / 900 / 1800 / 1900
  		CDMA 800 / 1900
  	3G Network	HSDPA 850 / 900 / 1900 / 2100
  		CDMA2000 1xEV-DO
  	Announced	2011, October
  Size	Dimensions	115.2 x 58.6 x 9.3 mm
  	Weight	140 g
  Display	Type	LED-backlit IPS TFT, capacitive touchscreen, 16M colors
  	Size	640 x 960 pixels, 3.5 inches (~330 ppi pixel density)
  		- Scratch-resistant oleophobic surface - Multi-touch input method - Accelerometer sensor for auto-rotate - Three-axis gyro sensor - Proximity sensor for auto turn-off
  Sound	Alert types	Vibration, MP3 ringtones
  	Loudspeaker	Yes
  	3.5mm jack	Yes
  Memory	Phonebook	Practically unlimited entries and fields, Photocall
  	Call records	100 received, dialed and missed calls
  	Internal	16/32/64 GB storage
  	Card slot	No
  Data	GPRS	Yes
  	EDGE	Yes
  	3G	HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps
  	WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
  	Bluetooth	Yes, v4.0 with A2DP
  	Infrared port	No
  	USB	Yes, v2.0
  Camera	Primary	8 MP, 3264x2448 pixels, autofocus, LED flash
  	Features	Touch focus, geo-tagging, face detection
  	Video	Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging
  	Secondary	Yes, VGA
  Features	OS	iOS 5
  	CPU	1 GHz dual-core ARM Cortex-A9 processor, PowerVR SGX543MP2 GPU, Apple A5 chipset
  	Messaging	iMessage, SMS (threaded view), MMS, Email, Push Email
  	Browser	HTML (Safari)
  	Radio	No
  	Games	Downloadable, incl. motion-based
  	GPS	Yes, with A-GPS support
  	Java	No
  		- MicroSIM card support only - Scratch-resistant glass back panel - Active noise cancellation with dedicated mic - Siri natural language commands and dictation - iCloud cloud service - Tweeter integration - Digital compass - Google Maps - Audio/video player and editor - Image editor - Voice command/dial - TV-out
  Battery		Standard battery, Li-Po 1420mAh
  	Stand-by	Up to 200 h (2G) / Up to 200 h (3G)
  	Talk time	Up to 14 h (2G) / Up to 8 h (3G)
  	Music play	Up to 40 h