1. CrackBerry Question's Avatar
    I tried calling on my blackberry Q5 but it said"phone calls using the mobile network are blocked by your administrator. For more info, contact your administrator. I went on mobile network in settings it said off, I clicked on it and it said The sim card is from an unknown source.
    01-12-16 07:01 PM
  2. Lusitano17's Avatar
    Have you tried removing sim, rebooting device and reinstalling sim?

    Posted via CB10
    01-12-16 09:38 PM

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