A very unhappy customer

for the past 2 months or so the service i have been receiving has been appalling. Everyday at 7 in the evening the network is ****py and it does not work at all. I struggle to watch TV and even make call on Whatsapp. To a point that I'm even thinking of canceling and moving to another service provider because what the hell is this. I pay my account diligently but at this point I feel like i am giving my money away because during I am not home to use the internet and when I am at home in the evening, the network is down.