If those don't help contact Mobile Support through the Technical Support link below, note that you can change your country code at the top right if necessary.
Toronto ▪ Canada
Volunteer Moderator - Consumer Products
I CAN'T HELP PRIVATELY - PLEASE POST IN THE FORUMS
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Hi did you try re-inserting your old SIM and try unlocking Phone. If that didn't help you can contact McAfee's Mobile Support (link below) whom will be able to help with the PIN Reset.