Contract & debit order cancellation, refund complaint

It was my 1st and last!! I want nothing to do with vodacom it has the worst service by far that I had experienced. I took a contract with them 2years ago from the beginning they **** about the premiums, I ignored it. I called in 6/7 December 2020 to cancel the contract as it came to the end, it was not done until mid Jan 2021 after numerous calls being told matter is escalated. They don't have managers to speak as they're "working from home" due to the pandemic, if you request a manager to call you., it's a shame!! Guess what I have been billed Jan and again now in Feb obviously debit order was not canceled. I want this sorted out by Monday. And I urge you vodacom fix your processes one doesn't have to struggle so much to cancel a simple contract that should take 2 minutes!!! And I noticed I'm not the only one complaining about this, what are you doing about it? Because currently you are failing to honour the agreement which is a serious offense by law. I want a letter to confirm that the contract and the debit order are canceled, I want a refund.