It depends. If you agreed to a 2 year contract along when you bought your iPhone, you haven't yet completely paid for it. Also, if you cancel your contract bef

It depends. If you agreed to a 2 year contract along when you bought your iPhone, you haven't yet completely paid for it. Also, if you cancel your contract before it's up, you DO have to return the iPhone. If you paid extra for an unlocked iPhone, then yes you have a point. But then you also have the freedom to go to another network without those restrictions.