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Old 07-31-2011, 10:12 AM   #5
rambo47
Latino Hasta La Muerte
 
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Join Date: Jan 2005
Location: Denville, NJ.
Model: 9370
Carrier: Verizon
Posts: 9,063
Default Re: SIM card registered as T-Mobile now says ATT

Sounds to me like the BlackBerry is connecting to the strongest network available. Go to Manage Connections > Mobile Network Options and see what's set. If it's 'automatic' you might be able to change it to your preferred carrier.
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