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BlackBerry® OS Smartphones

New Contributor
Posts: 4
Registered: ‎12-15-2013
My Device: curve 9320
My Carrier: mtn

Blackberry 9320 can't make calls

My blackberry can't make calls. I can't check balance or load airtime or buy BIS. Tried switching cellphones the sim card works fine on the other phone. Even tried taking it to a repair company but they say the phone is fine. Please help. This problem resulted after security wipe. I suspect the settings were cleared for VPN.