Shoddy service worst internet ever!

I signed up for LTE internet with Webafrica on 24 March 2020, but shortly after moving to this ISP, I've had extremely unstable internet connectivity. My first email reporting the issue was on 7 April. The problem continued despite numerous telephone calls and emails. On 6 May I received an email stating that 'client is getting good coverage...from Mitchells Plain....1km away from Client. I live in Durban, over 1000km from Mitchells Plain!!! I called and emailed advising about this error, but a couple of days later I received yet another email stating Case is closed, but my problem is NOT RESOLVED. Internet speeds vary from a fantastic 15 down to 0.10 to NO INTERNET! I am not getting any response from this service provider, they do not answer their phones so am cancelling my service! I have never experienced such shoddy service!