my mtn sim has been blocked and am currently out of the country, how can i retrieve my sim

I lost my Sim card in another country and someone is using it

Why can't i receive or make calls with my Nigerian Mtn sim card here in the UAE? I have tried to reconnect my MTN Nigeria and is not coming up. I also enter the number in MTN...

Hi, please I need your help my MTN sim is blocked I need my PUK to retrieve it my number is +233- 248 148...