Horrible service

I paid hypa to install my WiFi I was told it will take 7 to 14 days After 14 days I gave Them a call And they told me that my Wi-Fi will be installed I waited another week I gave them a call they told me there is a fault on vumatels side then they told me I need to request for the second line as the premises I live in has a line already I did inform them when I app**** for the Wi-Fi that there is a line in mind will be the second Life so the lady that I paid the Wi-Fi two and did my application work missed the whole thing up I had a second guy helped me and he was *********** and couldn't sort this out as well so I have to contact again the call center to Chai and fix the issue that nobody could seem to fix first they told me that I hadn't paid the Wi-Fi I emailed my proof of payments then they told me that nobody app**** for the second Life then I myself app**** for a second line with the agent at the time I still had him received my Wi-Fi so at this time I had asked them for a def fund back mind you this is like middle of November also I still do this day 17th of December haven't received my refund each time I call they tell me it's going to be approved or it is approved and pay fast is going to send me an email for my banking details and I haven't heard anything back from any one of the managers I don't know what to do hypa sucks I need my money back