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 XR and orange), and Product Red. The XR is available in three storage capacities: 64GB, 128GB, and 256GB. It is the second iPhone to be released in yellow and blue, the first being the iPhone 5C in 2013. Internationally, the phone supports dual SIMs through a Nano-SIM and an eSIM. In mainland China, Hong Kong and Macau, dual Nano-SIM (in a single tray) is offered instead. Despite receiving some criticism for its display, the XR received generally positive reviews from critics after its release. The XR is Apple’s best selling 2018 iPhone model. According to Apple, the XR battery lasts one-and-a-half