Disgusting Product and service

I opened the contract in February and from the second week of being connected – I had issues with connection. I logged calls but wasn’t assisted properly. I was back and forth between the store and on calls. Also, I ended up cancelling the account on 04 April 2025 because of the endless problems I encountered. I then got told that I am liable to pay R----. I then questioned why I have to pay this amount. I couldn't get a proper answer. What disgusting service and all they want is for the customer to pay extra as they feel