The Apple iPhone Duo marks a major step in Apple's smartphone design, combining the convenience of a traditional phone with the flexibility of a foldable display. It features a 5.4-inch outer screen and a 7.6-inch inner display, making multitasking, gaming, and video streaming more immersive. Powered by the A20 Pro chip and iOS 27, the device also brings enhanced performance, an advanced camera system, and AI-powered features.