J Joe New member Nov 24, 2010 #1 i have an at&t sim card with the blackberry service on it, and i have a UNLOCKED t-mobile blackberry. if i put my at&t sim card in the UNLOCKED t-mobile blackberry, will it work, AND give me the blackberry service thats on my sim card?
i have an at&t sim card with the blackberry service on it, and i have a UNLOCKED t-mobile blackberry. if i put my at&t sim card in the UNLOCKED t-mobile blackberry, will it work, AND give me the blackberry service thats on my sim card?
