Frog foot taking payment without providing a service

My uncle had fibre paid for and installed oin the Lephalale area. Only once the installation was complete, they said there's they said there's a fault on the line. This was a week ago. When you call them and submit a reference number, they hang up. EVERY SINGLE TIME... The neighbors have a connection, but not us. Awful service provider this. Probably why they're so cheap. I'll warn people against them as far as I go