This outstanding device comes with excellent specifications. It runs on iOS 10 and features a Retina display, capacitive touch, and LED-backlit IPS LCD technology supporting 16 million colors. It boasts a 5.5-inch screen with a resolution of 1080 x 1920 pixels (~401 ppi pixel density). It was released on September 16, 2016, and its dimensions are 158.2 x 77.9 x 7.3 mm, weighing 188 grams. It is powered by the Apple A10 Fusion processor and a graphics processor (six-core graphics) with a quad-core CPU. It comes with 3GB of RAM and has internal storage options of 32GB, which is not expandable. It includes a Lightning port and supports Nano SIM. Wireless connectivity includes Wi-Fi, Bluetooth, and 4G networks. It has built-in GPS. It features a dual rear camera with 12MP (f/1.8, 28mm & f/2.8, 56mm) resolution, phase detection autofocus, 2x optical zoom, optical image stabilization, quad-LED (dual tone) flash, and simultaneous 4K video and 8MP image recording, among other features. The front camera is 7MP. It comes with the App Store for applications. It includes various sensors such as proximity, compass, and barometer. It features a fingerprint reader and is water-resistant. It comes in multiple colors including Jet Black, Black, Silver, Gold, Rose Gold, and Red.