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Originally Posted by nopesos
Does anyone know why there are differences between the 2 carriers blackberry internet services?
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T-Mobile has upgraded their BIS. The other carriers have not for whatever reason. If you'll look in the various forums you'll see that it wasn't a smooth upgrade for everyone.
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Originally Posted by Hyper7PCR
I read your forums about Cingular to T-Mobile use SIM. IS IT LEGAL?
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Yes. It is the major points of using GSM technology -- being able to place you SIM in any GSM phone. The network locks were put in place by the carriers to restrict you from using other carriers after they have subsidized your phone (in addition to the ETF they charge you if you break contract). That's not to say that a carrier won't try to cite the DMCA or some other nonsense.