The iPhone 6 was released for Sprint USA in September of 2014. It was available in 16GB, 64GB, and 128GB model variants, and in grey, silver, or gold. The iPhone 6 has a 4.7″ LED-backlit, IPS LCD, touch screen with scratch-resistant and shatter-proof glass. It also has an 8MP camera, 1080p video recorder, and a 1.2MP FaceTime camera. The iPhone 6 was originally released running iOS 8, but can now be upgraded to iOS 10. Once unlocked, it can be used with compatible GSM service providers only.