I want to transfer my upgrade that has unlimited to a line that does not and buy I subsidized iPhone 5 on it. I then want to switch the devices to my wife's line that is still unlimited. Will this work while keeping the 2 unlimited data lines unscathed? Current status 1 - IP5 - unlimited **eligible 1 - IP4 - unlimited 1 - IP4 - 2 gb data * line I want to transfer upgrade to and buy under Future status I'm looking for 2 - IP5 - unlimited 1 - IP4 - 2 gb data Also, do I have the choice of doing this online or store? Our local store has inventory. Thanks.