| | Re: SIM card registered as T-Mobile now says ATT
The T-mobile acquisition should be approved by the end of the year, and finalized by summer 2012.
Also, since roaming agreements have been reached between T-Mobile and AT&T many years ago, there is no practical reason to worry about which network you are using.
They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. Benjamin Franklin