The Apple iPhone 4S, announced on October 4, 2011 and released on October 14, debuted Siri, the voice-controlled intelligent assistant that became its headline feature. It also introduced a new 8-megapixel iSight camera capable of recording 1080p video, a notable step up from the iPhone 4's still imaging and 720p capture.
Driving the phone is the dual-core Apple A5 system-on-chip, which Apple claimed delivered roughly twice the CPU performance and up to seven times the graphics performance of the iPhone 4. The A5 paired with 512 MB of RAM, and the 4S shipped in 8, 16, 32 and 64 GB capacities. It was Apple's first "world phone," combining GSM and CDMA support in a single device.
Design was an honest "S" refinement rather than a reinvention: the 4S kept the iPhone 4's exact glass-front, glass-back, stainless-steel-framed body and its 3.5-inch 640x960 Retina display. It was the last iPhone to use the 3.5-inch screen and the last with the 30-pin dock connector, both of which gave way to the iPhone 5. From about $199.
Protection: Oleophobic coating
Resolution: 640 x 960 pixels, 326 ppi
Size: 3.5 inches
Type: LCD Retina IPS
Dimensions: 115.2 x 58.6 x 9.3 mm
Other: -
SIM: Micro-SIM
Weight: 140 g
Internal: 8/16/32/64 GB, 512 MB RAM
CPU: Dual-core
GPU: PowerVR SGX543MP2
OS: iOS 5.0, upgradable to iOS 9.3.6
Technology: GSM / CDMA / HSPA
Status: Discontinued. Released 2011, October 14
Primary: 8 MP, f/2.4, LED flash
Secondary: 0.3 MP (VGA), FaceTime
Video: 1080p @ 30fps
Loudspeaker: Yes
GPS: Yes (A-GPS, GLONASS)
NFC: No
Radio: No
USB: 30-pin dock connector
WLAN: Wi-Fi 802.11 b/g/n
Sensors: Accelerometer, gyro, proximity, compass
price: About $199 (16GB, on-contract)
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