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Understanding iPhone Models

A dictionary of the tech speak and jargon related to the iPhone so you can first understand it, and then start using it like a pro. Read on to help understand the differences.
Identifying an iPhone 3G
The iPhone 3G is Apple’s second iPhone model. It builds on the success of the first-generation iPhone and adds a number of new features to the device. One key addition is 3G wireless connectivity, an improved data standard that makes downloads nearly twice as fast as on the original iPhone.
What Is An iPhone?
The definition of what an iPhone is and how to identify it.

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