My mtn line had get blocked and I wanted to unbarred it and link my NiN to it please.

My mtn number 08030554273 is presently barred from making calls.I have linked the NIN.I expect it to be unbarred

My MTN was barred after linking my nin number

My line was blocked because I couldn't link my number with my Nin,now that I have linked it and received a confirmation message why can't I make calls with my phone, hw can I...