Wrong billing and inappropriate treatment.

I recently noted that my last bill which I got was high and called into the call centre for assistance and spoke to the call centre where I got through to Zanele Chonco. I advised her that my bill was higher than normal and I don’t know why. Zanele checked and advised that the excess amount billed by MTN was caused by subscription services to an external party which I advised that I am not aware of because I have not subscribed to any services as my contract is now up. Zanele advised that I cannot even get a refund of that amount which I was billed to which I advised that this would be ******* as that means MTN can bill be for subscriptions that I know nothing about and gladly bill me and there is nothing I could be able to do about it. I was not certisfied with her responses and requested for an escalation to which she responded and said there is no one to escalate to. I requested that she put me through to her supervisor and after holding she advised that a manager by the name of Melanie (who was not interested in my call) said she (Zanele) should just give me the code to unsubscribe. This just enraged me as a customer to see that not only am I not valued by my Network but my information is not even safe. I have been unfairly billed and now mistreated and all I want is a refund of the amounts owed to me. Having a balance availability to my account was for my convenience not to be made a victim this way. This has left me with no choice but to do my own escalation. Kindly assist in the matter and feel free to check the recording over the phone call. I have been a client of MTN on other numbers for years and this is no way to remedy such an issue. since my contract has matured I have sort to rather not renew due to such.