Terrible dishonest service from Mweb!!!

I’ve been experiencing terrible service with Mweb with my fiber installation from day 1. I would urge anyone considering to use Mweb to definitely make use of a different service provider. I waited 45 days for installation and another 7 for my router to arrive only to realize that the line is faulty and would need to be sorted out by telkom. All this after already being billed and paid in advance to Mweb. This eventually sorted, and after 2 months of daily and continuous lagging on 20mph line I eventually woke up on Tuesday with no wi-fi. After spending over 2 hours on the phone trying to get hold of the technical department at my own expense I was informed that they are very sorry and confused, but my line has been given to another person and they will try to rectify it and sort it out within 48 hours!! How is that even possible??? It’s now been 4 days!!! Still NO wi-fi, no phone call, nothing!?! Is this even legal?? Can Mweb please refund me for a service I paid for in advance, without receiving and make sure I get what I pay for!? Is that too much to ask? This is completely unacceptable. I’m livid!!!