| | How do i find out whether my BB is locked
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i got a new BB 7290 with no labels on it (cingula or AT&T) from Cingular through my job< when i powered it up it didn't have a cingular or AT&T logo displayed just the blackberry logo. I tried to insert a voice-sim card from TMoblie but it said invalid sim, an AT&T sim card works just fine>
The question is, what's the quickest way to check in the device at to whether it is carrier locked???