Got a survey invitation today, clicked the link and webpage not available!

I bought this router in Sep 2021. Based on shortcomings I have experienced, I would have thought there would have been a firmware update by now. I check periodically, and there have been none? When ca

I do know that this router automatically assigns channels. But why, when I run wifi interference tests from the Deco app, do I always get 'high interference. join a network with less interference'.? A