Poor Internet provider

I have had a problem with my router since 14 December 2023 and for the past two weeks I have been trying to get help. On Monday 05/02/2024, I eventually went to the Rain Shop in Queenswood, just to find out there is a problem with my router. I was then given a new router and sim, but yet my problem was not solved. For the past 4 nights I have been contacting Rain's customer service to get a technician, which was also done on Monday by the shop to visit my place of residents to see what the problem is. No success. When I threatened that I was going to hellopeter, the start begging me to give them another chance to solve my problem. Only problem is, they cannot rebook a technician, because it was already escalated to a technician and also they cannot tell me when I can expect a technician to come to my house.

When it is time to pay, they are quick to take there full amount I owe them, even though i did not even have full access to their poor service.