Year introduced: 2010 (GSM), 2011 (CDMA)
Capacity: 8, 16, and 32 GB
Colors: black and white
Model number on the back cover:
- A1349: iPhone 4 (CDMA model)
- A1332: iPhone 4 (GSM model)
More details: The front and back are flat and made of glass, and there’s a stainless steel band around the edges. The volume up and down buttons are marked with a “+” and “-” sign. There’s a SIM tray on the right side that holds a “third form factor” (3FF) micro-SIM card. The CDMA model has no SIM tray.