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 the iPhone employs A-GPS operated by the United States. Since the iPhone 4S generation the device also supports the GLONASS global positioning system, which is operated by Russia. The iPhone 6S and 6S Plus, introduced in 2015, feature "force-touch" displays which allows the screen to recognize how hard it is being pressed using pressure sensitive multi-touch technology. All subsequent iPhones with the exception of the iPhone SE and iPhone XR have this feature. An example of how this technology will be used is lightly pressing the screen to preview a photograph and pressing down to take it. iPhones feature a