History of iPhone
On January 9, 2007, Steve Jobs announced iPhone at the Macworld convention, receiving substantial media attention. Jobs announced that the first iPhone would be released later that year. On June 29, 2007, the first iPhone was released.
IPhone (1st generation)
Development of the iPhone dated back to 2005, when former Apple CEO Steve Jobs conceived the idea of a device that users could directly interact with the display interface. The design was expanded upon over the next 2 years in complete secrecy, before being announced in Q1 2007.