IPhone 4S announced iPhone 5s and iPhone 5c. This was unusual for Apple as an upper case 'S' had been used since the introduction of the iPhone 3GS in 2009. On September 9, 2014, the iPhone 4S was officially discontinued following the reveal of the iPhone 6 and the iPhone 6 Plus. However, 4S production did continue for developing markets until February 17, 2016. On June 13, 2016, following the release of iOS 10, Apple dropped support on the iPhone 4S, making iOS 9.3.5 the last version available for the device. The runs iOS, Apple's mobile operating system. The user interface of
IPhone SE The iPhone SE, iPhone 6S, and iPhone 6S Plus were the last iPhone models to feature a standard 3.5 mm stereo headphone jack. The exterior design of the iPhone SE is nearly identical to that of the iPhone 5 and the iPhone 5S, with the exception of matte-chamfered edges and an inset stainless steel rear Apple logo. Cases designed to fit the 5 and the 5S will also fit an . The iPhone SE is available in the colors Space Gray, Silver, Gold, and Rose Gold. The iPhone SE incorporates the Apple A9 system-on-chip (SoC) with an M9 motion coprocessor