Fibre network down

So my connection is down and I call then to inform them about the issue, they then say they will get a technician on the issue then contact me within 24 hours and update me on the issue, nothing is said, they just send me messages saying they have fixed the line then say I should have network, to my shock because there is a clear network issue, I call for the 2nd time 5 days in, the agent tells me about process in the 20 minutes and then says he is sorry for the inconvenience, poor service, sent updates that don't correct the process, not sure what the complaint process is as agent also does not know, no way forward. POOR on POOR levels, customer service and willingness to help zero. No way forward and talking to anyone there has had no results.