iPhone (English: iPhone) is a modern Internet and multimedia connected smartphone made by Apple Inc. Former Apple CEO and founder Steve Jobs unveiled the first iPhone on January 9, 2006. [15] Marketing of the first iPhone began on June 29, 2006. Currently (viewed: 2011) the 5th generation iPhone 4S is available in the market , which was released on October 4, 2011. Just two days before the release of the iPhone 4S, the operating system iOS 5.0 for the iPhone smartphone was released.