Funny you share that, is that the speedtest from your wired ethernet? im having a problem getting good speeds via wired. In most cases im pulling higher speeds via WIFI as opposed to a fixed ethernet connection.
I have an open ticket with Bell on this. I am pulling slow download via ethernet (200 to 300). We should be at getting at least 70% or more... or... 700 to 800 down. The upload speeds are in the correct tolerance but the download is unacceptable.
Seeing that you have a wifi6 router, i assume you are connecting to HomeHub via Pppoe. I notice when I try to use my google external router, and run a speed test from that router, that I lose about half the bandwidth (500/500). That **bleep**, so I removed the google router and am just working off the HomeHub.
I think the only way to get full service with a 3rd party router is to remove the HomeHub from the system, and use a media converter for the fiber line to the 3rd party router.
Thus far it seems Bell Gigabit service is a lot of smoke and mirrors. Via ethernet you should be able to pull at least 700 or 800 downspeed.
Aside from Bells internal modem speedtest, I cant any device to pull a speed even close to advertised.