The iPhone 5 is a smartphone that was designed and marketed by Apple Inc. It is the sixth generation of the iPhone, succeeding the iPhone 4S and preceding the iPhone 5S and iPhone 5C. Formally unveiled as part of a press event on September 12, 2012, it was released on September 21, 2012. It was the first iPhone to be completely developed under the guidance of Tim Cook. More: en.wikipedia.org.