As much as I love the iPhone 2.0 release on both my 1st Generation iPhone and my new iPhone 3G, it has problems. The biggest problem I have with 2.0 is how fast it can chug down a full battery. While some of the new features that consume all this power are absolutely great, to be honest most of the time you don’t really need them running. So why not learn how to quickly turn them on and off to get all that battery time back.

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