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Mobility

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: How to migrate to a new iPad, iPhone, or Mac (TechRepublic Premium)

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.