IPhone in three sizes: 16, 32, and 64GB. The iPhone 5 and 5S were available in the same three sizes previously available to the iPhone 4S: 16, 32, and 64GB. The lower-cost iPhone 5C model was initially available in 16 and 32GB models; an 8GB model was added later. The iPhone 6 and 6S were available in three sizes at launch: 16, 64, and 128GB. The iPhone SE was available in 16 and 64GB variants at launch. When the iPhone 7 and 7 Plus were released, Apple changed the base model storage capacity from 16 to 32GB. Both the iPhone 7
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