Afrihost Poor Customer Service

I requested a fibre internet connection on Afrihost’s portal to replace my adsl service with them. They did not cancel the adsl service even though I specifically requested them to replace it with the fibre connection. I discovered after 7 months that they were charging me for both services. On request for a refund I was informed that I should have made a special seperate request for the cancellation of the adsl service and that they could not be held responsible!! To top it all it seems as if my router has all along somehow connected to the adsl service by default and my internet usage was channelled through it and not the fibre service. They refuse to refund me anything even though I used a fraction of the 600 gig cap that I had by default and hardly anything on the fibre. This is one of the worse customer services that I have ever experienced