Horrible Service from MTN

I'm quite upset and frustrated with MTN . I'm a loyal customer of MTN but I've received the worst service from MTN . I did my application for new contract with Leanne one of MTN consultant for tele sales . I did my application based on the availability of the stock they have for an iPhone. I understand that that it's a nation wide problem that there is no stock for an iPhone 13 . I have been calling MTN trying to speak to someone to be assisted , however there is no luck . I've spoken to a lady called Granny , she told me they can rather cancel my application and I must go to the nearest store to do my application (which it may affect my credit score) I have been calling MTN to speak to Leanne or Granny to get some help or to be advised what's happening. All the time whenever I called I speak to different consultant I'm not getting anywhere with MTN . MTN consultants has no sense of emergency they don't care about about customer experience . Asked to speak to their supervisor Silindile Mdubo ,I couldn't even speak to her I was put on switched board by Terry . I would really appreciated if I get feedback from someone at MTN Tele sales .