The iPhone 4S, alternatively stylized as iPhone 4S, is a touchscreen slate smartphone designed and marketed by Apple Inc. It is the fifth generation iPhone, successor to the iPhone 4, and predecessor of the iPhone 5. The iPhone 4S was announced at Apple's Let's Talk event on October 4, 2011 by CEO Tim Cook in Apple's Town Hall in Cupertino, California and released on October 14. Its new features primarily consist of a new faster 800 Mhz Dual-core Apple A5 chip (which was also implemented in the
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