Some more proof that the next generation of iPhone will support 3G. The above image os of a preference dialog extracted from the most recent beta of iPhone Software v2.0.

The latest discovery suggests that while the 3G iPhone may see substantial improvements to the "2 to 3 hours" of battery life common on earlier 3G devices, it may fall short of rivaling the "up to 6 hours" of Internet use advertised alongside the existing models.

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