As you may know iPhone 4S is the latest handset launched by Apple in 2011 and this year we are waiting the next generation, iPhone 5. If you already have one or you intend to buy one in near future, here you can find some reasons why to Unlock iPhone 4S. First of all, you should know that the unlocking iPhone solution is breaking free from your current carrier.
When you buy an iPhone 4S the phone will most probably be locked into a particular network. After you unlock it you will be able to use any SIM card & Any Carrier worldwide.
In this way another benefits are that you can choose a cheaper network, you can use more then one phone number by switching your simcard at any time you wish. Also you will be able to take advantage of roaming services offered by most major networks.
Even if you unlock your iPhone, you can always use the original sim card after unlocking (ex. AT&T or O2).
The unlocking procedure will not affect the way your iPhone 4S works,it only enables the phone to accept any simcard.
iPhone 4S Unlock process may also allow dual, tri or even quad band functionality, enabling you to use your iPhone in even more countries around the world.