Supersonic bad service provider

We recently moved houses and we were using fibre with supersonic as a service provider and the box is for Vumatel we were told that we must wait for 14days for them do reinstallation it’s day 18 today nothing has been done my husband keep on calling them stories every day Supersonic service sucks I will never recommend them to anyone it’s been 18days that we have no WIFi in the house my children can’t watch Netflix I can’t work from home I’m busy shopping for another service provider as they don’t know how to treat their customers