With an alternative phone number, Dial *123*7*3# or dial *123# (MTN’s self-service USSD dial) and follow the prompt of inputting ‘7’-Self-Service, then ‘3’-Get your PUK code to...
My sim got blocked via puk and it’s show sim blocked I can even input the puk code given to my by Mtn customer care when I called ,my number 07039000487
