IPhone 5C shipped with iOS 7. The iPhone 5C was sold at a discounted price point in comparison to the 5S: unlike Apple's usual practice of lowering the price of the previous model upon release of a new version, the iPhone 5 was explicitly discontinued and replaced by the 5C. On September 9, 2014, the 16 and 32 GB iPhone 5C models were replaced by the 8 GB model with the announcement of the iPhone 6 and iPhone 6 Plus. On September 9, 2015, the 8 GB version was discontinued when the iPhone 6S was announced. The iPhone 5C was redesigned using
IPhone 4 supports up to iOS 7, released in September 2013. Due to the relatively aged hardware of the iPhone 4, certain features available on newer iPhone models are not available on the device; as of iOS 7, they include Siri, 3D maps and turn-by-turn navigation, AirDrop, AirPlay mirroring, live camera filters, panorama mode and certain visual effects introduced by iOS 7, such as the blurring of translucent interface elements, the parallax effect on the home screen, and live wallpapers. While still subject to the same limitations, iOS 7.1 did bring some slight performance improvements to the operating system on the iPhone