Vodacom contract cancellation ****.

Vodacom is a ****, they've upgraded my contract with them without my approval.

I called their cancelations department to cancel my contract shortly after it came to an end. They then "mistakenly" upgraded my contract to a package I didn't ask for and have no clue what it is. Every month they debit my account. When I call their customer service to have this corrected they say there's nothing they can do, as the contract has to be reversed first before they can cancel. The department for reversal can only be reached by their customer service by email only. No direct phone call. I've been calling them for months now and everytime it's b***sh*t excuses like they cant reach the reversals department meanwhile they debit my account. The whole thing is a ****. It's ********, I haven't entered in any agreement with them. If I reverse the debit order they report me as bad payer to the credit bureau, on an ******* contract. It's all a deliberate ploy to take my money.