Identify your iPhone model

       Learn how to identify your iPhone model by its model number and other details.

iPhone 6s

Year introduced: 2015
Capacity: 16, 64, and 128 GB
Colors: Space gray, silver, gold, rose gold
Model number on the back cover: A1633, A1688, A1700

Details: The display is 4.7 inches (diagonal). The glass front is flat with curved edges. The back is anodized aluminum with a laser-etched "S". 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 SIM tray.