Unlock and jailbreak your Iphone using this state of the art software for your Iphone. Don't risk bricking your phone with outdated and unstable software or risk losing your Apple warranty. This software is completely reversible and works on firmware up to 4.2 at the moment. The 4.3 software is being worked on as we speak.
Also included in your jailbreak and unlock software is a guide on how to use your Facetime on 3G instead of just using it on wi-fi. The software comes with an instructional guide. This all can be done in 5 minutes and you will be on your way to using free apps from the app store among other great incentives. Why pay an extra 25 dollars a month for internet tethering when you can get the app from cydia and have it forever with no monthly fee. It is well worth it.