PCWorld - The iPhone world has been clamoring for this one for awhile. And what better way to start the new year then by playing around with the Dev Team's newest creation--an official unlock for the iPhone 3G. We'll run through the basics of this wonderful little tool and show you exactly how you can jailbreak and unlock your phone. You'll be able to run as many third-party applications as you want on your device. And more importantly, you'll be able to use your iPhone on any cell phone carrier you want.
What's an Unlock?
Unlocking your phone allows you to use it on any carrier you want, not just AT&T. You'll pop out your AT&T SIM card and insert the SIM card of a different carrier. The iPhone doesn't allow you to do this normally, so a little bit of hacking is involved.
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