3months and NO SERVICE!!!

Good day,

My father passed away in Oct and I have been trying to cancel is MTN number (make it prepaid) ever since! This is now December and I have had no response as to what has happened. I call and the call-centre personnel will tell me it is cancelled. However if i go into the MTN branch to change ownership of the remaining MTN number to my mom's name - they say there is no confirmation of cancellation on the system.

Going through the death of a parent is already a really difficult time in my life, trying to resolve all these kind of admin issues for my mother has only made things even worse with the lack of response or service from MTN! It has been 3 months and NOTHING has been confirmed. How is that possible?!

There are many other service providers I can go to .... if service is this bad!?