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BlackBerry® Curve™

New Member
Posts: 1
Registered: ‎12-15-2011
My Device: 8520 curve

Blackberry curve 8520 call failed mm#5 error

Hi my blackberry curve 8520 gets call failed when I try to ring a normal number with the Simi but without the Sim I try ringing emergency service call goes to 3 beeps and cuts and gets an error message saying mm#5.  Any ideas what is wrong with my phone