With your info, I'm almost positive that the issue is the HDMI cable or the HDMI port for that TV. Try changing the HDMI cable and see if the issue persists. Don't worry about the cable, there is no such thing as a 4K HDMI cable, purchase one within ...
The MOCA adapter is considered part of Telus equipment, if you remove TV service it will be uninstalled. Since your internet service is provided on fibre you will keep the same modem and same ONT (converts fibre to internet) so you should just emulat...
