Year introduced: 2016 Capacity: 32, 128, 256 GB Colors: Black, jet black, gold, rose gold, silver, (PRODUCT)RED Model number on the back cover: A1661, A1784, A1785 (Japan3)
Details: The display is 5.5 inches (diagonal). The glass front is flat with curved edges. The back is anodized aluminum. The Sleep/Wake button is on the right side of the device. The device has a solid-state Home button with Touch ID. There are dual 12MP cameras on the back. There's a Quad-LED True Tone 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 SIM tray.