No service as usual

I spoke to Busisswe at customer service regarding a simcard that we received when we upgraded a contract in December 2018. It was a promotional simcard which we were forced to take. The promotion ended October 2020 but the simcard were never cancelled. I have tried on many occasions to contact the cancelations department and also informed Busiswe that I want to cancel the simcard as it is not used nor upgraded since Vodacom forced it upon us. She told me to phone the cancelations department. I informed her that it is impossible to get through. She transferred me but got cut off again. Vodacom and their staff are *********** amd clearly have a hearing problem. No customer service at all. I need to cancel this contract asap as i am not paying for something that I did not requested. My contact details are ***