Dimensions

• Length : 123.8 mm
• Width : 58.6 mm
• Thickness : 7.6 mm
• Weight : 112 gm

Memory

• Internal Memory : 16 GB

Power Management

• Battery Type : Built-in rechargeable lithium-ion battery
• Talk Time : Up to 8 hours on 3G
• Standby Time : Up to 225 hours
• Power Adapter : Charging via USB to computer system
• Internet Use : Up to 8 hours on 3G, up to 8 hours on LTE, up to 10 hours on Wi-Fi
• Video playback time : Up to 10 hours
• Audio playback : Up to 40 hours

Connectivity

• Bluetooth : Available
• Wi-Fi : Available
• Cellular : Available
• GPS Support : Available
• GLONASS : Available
• Audio Jack : 3.5 mm

Display

• Touch Screen : Available
• Display Size : 4 Inch
• Display Type : Retina
• Resolution : 1136 x 640 pixels
• Contrast Ratio (Typical) : 800:1
• Brightness : 500 cd/m2

Camera

• Type : MegaPixel
• MegaPixel : 8 MP
• Panorama : Available
• FaceTime HD camera : 1.2MP photos and HD video (720p) up to 30 frames per second
• Auto Focus : Available
• LED Flash : Available

Other Camera Features     

• Tap to focus video or still images
• Face detection in video or still images
• Improved video stabilization
• Photo and video geotagging

Multimedia

• Audio formats supported : AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
• Video formats supported : H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
• Video Recording : HD (1080p) up to 30 frames per second with audio

Special Features

• Wi-Fi Version : 802.11a/b/g/n ((802.11n 2.4GHz and 5GHz)
• Bluetooth Version : v4.0 wireless technology
• Viewable Document Types : .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Sensors     

• Three-axis gyro
• Accelerometer
• Proximity sensor
• Ambient light sensor
• Cellular and Wireless     
• UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 4 and 17)
• CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz); UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5, 13, 25)
• UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5)

System Requirements     

• Apple ID (required for some features)
• Internet access5 Syncing with iTunes on a Mac or PC requires:
• Mac: OS X v10.6.8 or later
• PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
• iTunes 10.7 or later
• Operating Ambient Temperature : 32 to 95 F (0 to 35 C)
• Nonoperating Temperature : -4 to 113 F (-20 to 45 C)
• Relative Humidity : 5% to 95% noncondensing
• Maximum Operating Altitude : 10,000 feet (3000 m)
• Internet : Available

Dimensions

• Length : 123.8 mm
• Width : 58.6 mm
• Thickness : 7.6 mm
• Weight : 112 gm

Memory

• Internal Memory : 64 GB

Power Management

• Battery Type : Built-in rechargeable lithium-ion battery
• Talk Time : Up to 8 hours on 3G
• Standby Time : Up to 225 hours
• Power Adapter : Charging via USB to computer system
• Internet Use : Up to 8 hours on 3G, up to 8 hours on LTE, up to 10 hours on Wi-Fi
• Video playback time : Up to 10 hours
• Audio playback : Up to 40 hours

Connectivity

• Bluetooth : Available
• Wi-Fi : Available
• Cellular : Available
• GPS Support : Available
• GLONASS : Available
• Audio Jack : 3.5 mm

Display

• Touch Screen : Available
• Display Size : 4 Inch
• Display Type : Retina
• Resolution : 1136 x 640 pixels
• Contrast Ratio (Typical) : 800:1
• Brightness : 500 cd/m2

Camera

• Type : MegaPixel
• MegaPixel : 8 MP
• Panorama : Available
• FaceTime HD camera : 1.2MP photos and HD video (720p) up to 30 frames per second
• Auto Focus : Available
• LED Flash : Available

Other Camera Features     

• Tap to focus video or still images
• Face detection in video or still images
• Improved video stabilization
• Photo and video geotagging

Multimedia

• Audio formats supported : AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
• Video formats supported : H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
• Video Recording : HD (1080p) up to 30 frames per second with audio

Special Features

• Wi-Fi Version : 802.11a/b/g/n ((802.11n 2.4GHz and 5GHz)
• Bluetooth Version : v4.0 wireless technology
• Viewable Document Types : .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Sensors     

• Three-axis gyro
• Accelerometer
• Proximity sensor
• Ambient light sensor
• Cellular and Wireless     
• UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 4 and 17)
• CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz); UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5, 13, 25)
• UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5)

System Requirements     

• Apple ID (required for some features)
• Internet access5 Syncing with iTunes on a Mac or PC requires:
• Mac: OS X v10.6.8 or later
• PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
• iTunes 10.7 or later
• Operating Ambient Temperature : 32 to 95 F (0 to 35 C)
• Nonoperating Temperature : -4 to 113 F (-20 to 45 C)
• Relative Humidity : 5% to 95% noncondensing
• Maximum Operating Altitude : 10,000 feet (3000 m)
• Internet : Available

Apple iPhone 4S comes with a 3.5 inch capacitive touchscreen with multi-touch feature and Retina Display. The device, which runs on iOS 5, has a 1 GHz dual-core ARM Cortex-A9 processor, PowerVR SGX543MP2 GPU, and Apple A5 chipset. Its 8MP camera, supported by LED flash records videos in 1080p HD resolution. There is a VGA secondary camera too for video chat with FaceTime app. The handset comes with Siri Voice service, which lets you give verbal commands to your iPhone and search online. Other features include A-GPS with digital compass, access to multiple email accounts, multitasking, and 16GB internal memory.