MTN POOR CUSTOMER SERVICE

Worst service ever. I am sitting with a router on contract with MTN and for 2 weeks my simcard is blocked there is a Baring on my sim card and it is in the original device that we got the sim in and we have to phone mtn going through different departments because no one can assist me and i have a reference number where they said they are working on it and its 4 days later and nothing yet. *** I HAVE TO CALL MTN EVERYDAY 3 TIMES TO TAKE OFF THE BARING. they dont want to cancel my contract but they also cant find the problem. I hope that this review gets to the CEO of MTN because this is ridiculous how can they expect payment at the end of the month but i cant even use my data. We are working from this data and now my business is standing still because of MTN that can block a sim but doesn't know how to un block it. MTN YOUR SERVICES ARE PATHETIC AND I WILL CANCEL ALL OUR CONTRACTS WITH YOU.