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 5S
The iPhone 5S is the first iPhone to be supported through six major versions of iOS, and the second iOS device to support six major updates behind the iPad 2, launching with iOS 7 in September 2013 while the latest update is iOS 12 which was released on September 17, 2018.