Rob has an old Android phone and he doesn't like his carrier. Can he unlock it and go with another carrier? Leo says he should as long as his account is in good standing. Even if he's no longer a customer, they should still do it for him. He should just call and ask them politely. He should not pay to unlock a phone, though. If he has to, Rob should go to XDA-Developers.org and look in there for instructions.