The iPhone 4S is a touchscreen slate smartphone developed by Apple Inc. It is the fifth generation of the iPhone, a device that combines a 3.5 inch (89 mm) touchscreen iPod, mobile phone, and internet client. It retains the exterior design of its predecessor, the iPhone 4, but is host to a range of improved hardware specifications and software updates.
Integrated software and hardware changes support the introduction of new user interface and functions by Apple, including the voice recognizing and talking assistant called Siri, personal computer independence, cloud-sourced data and an improved camera system. A selection of the device's functions may be voice-controlled.
HTC Smartphone
SAMSUNG GALAXY
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