Sim Swap Nightmare

I lost my phone on the 27 October 2015 and then i called 173 for sim swop of my old number is ***assistance and was told told that it woul take 24 hrs and then i called on Thursday and told that i have to fax my affidavit and id copy on *** and it would take 24hrs to be processed and i called agin on Saturday and was told that it takes 5 working days and if i'm lucky 4. I then called on Monday and told that my sim card is old-it has to be not more than 24hrs old but then my call was escalated to Laushelle(Team Leader) who said that she'll look into it. I've been waiting for response and told different stories. I just want my sim swop-my life is stuck because of MTN incompetant staff. Everytime i call in they do the same thin g of taking my details and forwarding my query to the technical team. The new sim number is ***