LG Wireless Phone

what the cheapest way to get a att phone and put it on tmobile?

I have a samsung galaxy s vibrant on tmobile. But i want a new phone. Either a samsung infuse or iphone 4. But i dont have att. Wats the cheapest way to get the phone and then get it on tmobile.

Public Comments

1. you need to buy an unlocked gsm phone to use it with tmobile