Are you also wondering for an idea “how to unlock iPhone 3GS & use another carrier?” If so, you can end your search here because the given below information will easily reveal your problem so read on. Now these days everyone want to use iPhone whether its about teens or old age people. The US is one of the few countries that give cell phone providers the option to limit consumers to a single provider by using a "locking system," which ties the cell phone to a provider for a contract period. As you know that iPhone 3GS is one of the most versatile & widely used among all the version of iPhone. Unfortunately, iPhone 3GS comes with particular carrier like in US & UK, it is available on AT&T carrier.
