Vodacom bad service

Since November 2020 I have been trying to get Vodacom to cancell a cellphone account that I have with them an which had expired. I tried phoning their cancellations sectio on *** and then emailing them at *** several times with no results after their useless cancellations section had promised me that the cancellation would be "escalated" (whatever that may mean). They continuecharging meforthe unused service which I don't require. I have now thratened to close my bank account from which they debit the fee each momth. I would not advise anyone to enter into a contract with this *****ed company.