Year introduced: 2016
Capacity: 16, 32, 64, 128 GB
Colours: space grey, silver, gold, rose gold
Model number on the back cover: A1723, A1662, A1724
 
Details: the display is 4 inches (diagonal). The glass front is flat. The back is anodised aluminium with matt chamfered edges and a stainless steel inset logo. The Sleep/Wake button is on the top 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-hand side that holds a "fourth form factor" (4FF) nano-SIM card. The IMEI is etched on the back cover.
 
See the tech specs for iPhone SE.