The iPhone 4S, released in October 2011, marked a major step forward in Apple’s smartphone evolution. While it kept the sleek glass-and-steel design of the iPhone 4, it introduced powerful internal upgrades — including the dual-core A5 chip for faster performance and improved graphics. The 8-megapixel iSight camera brought stunning photo and 1080p video quality, while iOS 5 introduced Siri, Apple’s intelligent voice assistant, for the first time. With better speed, enhanced features, and refined design, the iPhone 4S set a new standard for smartphones worldwide.
iPhone 4S Specifications
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Model Name: iPhone 4S
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Model Numbers: A1387, A1431
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Release Date: October 2011
Network:
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Technology: GSM / CDMA / HSPA / EVDO / EDGE
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2G Bands: GSM 850 / 900 / 1800 / 1900, CDMA 800 / 1900
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3G Bands: HSDPA 850 / 900 / 1900 / 2100
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Speed: HSPA 14.4/5.76 Mbps, EV-DO Rev.A 3.1 Mbps
Body:
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Dimensions: 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
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Weight: 140 g (4.94 oz)
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Build: Glass front and back (Gorilla Glass), stainless steel frame
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SIM: Micro-SIM
Display:
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Type: IPS LCD, capacitive touchscreen, 16M colors
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Size: 3.5 inches (~54.0% screen-to-body ratio)
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Resolution: 640 x 960 pixels (~330 ppi density)
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Protection: Corning Gorilla Glass, oleophobic coating
Platform:
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Operating System: iOS 5 (upgradable to iOS 9.3.6)
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Chipset: Apple A5 (45 nm)
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CPU: Dual-core 1.0 GHz Cortex-A9
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GPU: PowerVR SGX543MP2
Memory:
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Internal Storage: 8 GB / 16 GB / 32 GB / 64 GB
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RAM: 512 MB
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Card Slot: No
Main Camera:
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8 MP, f/2.4, autofocus, LED flash
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Features: Face detection, touch focus, HDR photo
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Video: 1080p@30fps, LED video light
Front Camera:
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VGA, 480p@30fps (FaceTime over Wi-Fi or cellular)
Sound:
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Loudspeaker: Yes
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3.5mm jack: Yes
Connectivity:
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WLAN: Wi-Fi 802.11 b/g/n
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Bluetooth: 4.0, A2DP
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GPS: Yes, with A-GPS and GLONASS
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USB: 2.0
Sensors:
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Accelerometer, gyro, proximity, compass
Battery:
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Type: Non-removable Li-Po 1432 mAh battery (5.3 Wh)
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Talk Time: Up to 8 hours (3G)
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Music Play: Up to 40 hours
Misc:
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Colors: Black, White
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Voice Assistant: Siri
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SAR: 1.11 W/kg (head)