Poor Customer Service from ISP MWEB FIBRE

I am on a month to month contract with this ISP for Fibre internet connection to my Home. I don't get the internet speed I pay for. I decided to end my partnership with MWEB. I even phoned VUMA REACH who advise me to communicate with MWEB. I wrote MWEB an e mail of my notification to end our relationship on 26 April 2025, They received my mail. But fail to reply to my numerous e mails & phone calls is not even answered !!! This is just BAD/Poor Customer Service from MWEB Fibre ISP Provider !!! I had it with MWEB. I done. I want MWEB to release my Line come 26 April 2026 and not keep my fibre line locked upped.