Photos: Apple iPhone models through the years

​iPhone 3G

The iPhone 3G was the second model to come out, and while it didn't look too different it packed some big upgrades on the inside. It had GPS, 3G data, and was tri-band.

SEE: Apple iOS 13: A cheat sheet (TechRepublic)

Image: CNET

By Brandon Vigliarolo

Brandon writes about apps and software for TechRepublic. He's an award-winning feature writer who previously worked as an IT professional and served as an MP in the US Army.