MTN service so bad and disgusting and horrible

I have been so unfairly treated by MTn and their call centre guys, i called Mtn and did a sim swap on Wednesday the 23rd of December assisted by a lady called Portia, she told me to wait for 12 hours for my sim card to be activated, after 18 hours my sim card was not activated, i called Mtn again on Thursday of the 24th and spoke to Mzie, he said my sim card was escalated to be approved by management who was already on leave, so i had to start afresh doing the sim swap, he helped me and told me there is a manager on the floor who will approve my request with immediate effect, after waiting for 20hours again without success i called MTN again today 25 December and spoke to a lady by Nobutho, she said i must start afresh doing the sim swap again, i cannot stop cruing and am so hurt by mtn after using their service for 10 and above years now j have to struggle with a sim swap? I could travel home with kids for holidays, i cant buy electricity, i cant move money from my other accounts because all my banking is blocked because sim swap is not done, my kids are having a horible Christmas because of mtn, im so disgusted by mtn i wish all South Africans must stop buting mtn sim cards, you are not fair and you dont care about us as your customers, i am in darkness no electricity because you cannot do a sim seap gor me, i cant do anything on banking my sim card is nit working, all my apps are unreachable, my kids are very sad and what a sad Christmas because if you mtn i regret ever using your services, you have a horrible service