Mweb de*****ing customers

I bought a R499 package that comes with 1 month free inclusive of freee installation and free router, the sales agents activated a R689 package without anything free. They don’t inform me of this until just after installations were done, the activation happened on the 13 September after I paid on the 1st of September and querying them with follow ups emails and phone calls only after 13 days in, they did the installation, on the 14 September 2021, the internet paused and they billed me R401, when I queried it, they said it was for prorata of September. And that’s when I learned the product was ana incorrect one, I lodged complaints about this, the agent that’s been assisting denied I app**** for the promotion, I requested they listen to phone recording and get back to me, no feedback and no copy of recordings was sent, today is the 20th of September, they just emailed me another bill worth R1100. My internet is still off, they still haven’t given feedback regarding phone call recodings, and I just cancelled all my service with them, they threaten to have me pay for the installation and the router, I told them when I signed up it said free installation and free router, they will get their money where the sun don’t shine they must come and collect their *******