iPhone 2.0’s official carrier is AT&T. However, not all individuals are satisfied with AT&T or they simply want to choose the same carrier that their family and friends and using. That is no longer a problem because the 3g iPhone can now be unlocked. By unlocking the iPhone, you’re free to choose the carrier.
There are lots of carriers all over the world aside from AT&T. Once your iPhone is unlocked, you can keep using the AT&T network or you can use other carriers like Verizon, T-Mobile, Vodafone, Fido, Telefonica, Tracfone O2, Tim, Rogers, DiGi, Oi, Swisscom, Cellone, Telenor, Si Mobile, Cellcom, Starhub, Optimus, MoviStar, etc.
The reason why a lot of iPhone 2.0 users want to unlock their iPhone is because they want to avoid the 2-year expensive contracts, overpriced plans, outrageous and hidden fees, and the roaming charges.
Another advantage of unlocking the 3g iPhone is that you can run whatever app you like. This will give you the opportunity to choose third party apps and even patches. In doing so, you don’t have to stick with the App Store of Apple when getting new apps. Unlocked iPhones will allow the users to personalize their gadgets according to their personal tastes. They can also access free apps and other special ringtones.
If you have plans of reselling your iPhone, unlocking it is a very good idea because it increases the value by $200. Unlocked iPhones are more expensive than locked ones. Check out the various online stores and you will find out.