Speeds less than 1Mbps

Our subscription is for 30Mbps download and 30Mbps upload. For the past week, our download speed has been less than 1Mbps. I have phoned, sent emails to, & opened tickets on the Home-Connect app, but to no avail. They do just not respond. This is my 2nd last resort to attempt to get someone at Home-Connect to rectify our problems. The last resort will be canceling my subscription ....