Year introduced: 2014
Capacity: 16, 32, 64, 128 GB
Colors: Space gray, silver, gold
Model number on the back cover: A1549, A1586, A1589

Details: The display is 4.7 inches (diagonal). The front is flat with curved edges and is made of glass. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The Home button has Touch ID. There's a True Tone LED flash on the back and a SIM tray on the right side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.