MTN service is ****PPPP

I called 30 June to migrate to prepaid. The lady I spoke to offered me a sim only deal. I accepted the deal. Then a day later you man sent an sms saying that it was declined. Anyways when I called again I was told that it was declined because they need my ID copy, I sent it but mtn still decline my application. I called again then I was told that the contract has been cancelled and that my number has been migrated to prepaid. I received an sms on 8 July saying that the cancellation date has been moved to 7/8/2020. On 13 aug mtn added minutes, sms and data. I called customer service again and was told that my number is on prepaid and that I should call the billing department. I called billing but I can never get ahold of them. I sent an email to billing. I got a reply asking for my details and I provided those details but I still have not received a reply. 13 September man added more minutes and data which I don’t want. I loaded airtime so that I can make calls but I wasn’t charged from the airtime, I was charged from the minutes I didn’t ask for. Anyways, I complained on twitter on 14 September, again I received no resolution. followed up on 17 and 20th, I was told on the 21st that I will not be debited. MTN debited my account again on the 1st of October. I enquired and asked them for the details for ombuds, they gave me contact number ***) for ICASA. I called the number, guess what? the number does not exist.... MTN is a ****ty service provider. My query is still not resolved :(