Year introduced: 2016
Capacity: 32, 128, 256 GB
Colours: black, jet black, gold, rose gold, silver, (PRODUCT)RED
Model number on the back cover: A1660, A1778, A1779 (Japan4)
 
Details: the display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is anodised aluminium. The Sleep/Wake button is on the right-hand side of the device. The device has a solid-state Home button with Touch ID. There's a Quad-LED True Tone flash on the back and a SIM tray on the right-hand side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the SIM tray.
 
See the tech specs for iPhone 7.