Just a note, if you have an original iPhone, don’t use a firewire-based charger. I did and it fried my power port on the bottom of my phone. Now, my phone won’t charge off of a USB charger, and it won’t sync with my computer.
This isn’t a problem with 3G and later models, as they no longer support firewire chargers.
Consequently, I’ll be getting a new iPhone 3GS for my birthday this summer.
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