iPhone 4s - Apple Mobile Phones: Technical Specifications, Features and Reviews
Submitted By Asha Manoj on 24 April 2015
Technology»Mobile Phones»Apple»iPhone 4s
Submitted By Asha Manoj on 24 April 2015
The iPhone 4S is a touchscreen-based smartphone developed, manufactured, and released by Apple Inc. It is the fifth generation of the iPhone, This iPhone was named "4S" where "S" stood for Siri, an iPhone 4S-exclusive intelligent personal assistant that was later included in future generations of mobile Apple products.
Retaining the external design of the iPhone 4, the 4S hosted revised hardware specifications, most notably an upgrade to the Apple A5 chipset, and an 8-megapixel camera with 1080p video recording.
The iPhone 4S runs iOS, Apple's mobile operating system. The user interface of iOS is based on the concept of direct manipulation, using multi-touch gestures. Interface control elements consist of sliders, switches, and buttons. The response to user input is immediate and provides a fluid interface. Interaction with the OS includes gestures such as swipe, tap, pinch, and reverse pinch, all of which have specific definitions within the context of the iOS operating system and its multi-touch interface. Internal accelerometers are used by some applications to respond to shaking the device or rotating it in three dimensions.