How do I remove my old deco devices from my account so they don't show up in google home? I can't find these devices anywhere in the apps. I've looked in the deco app, the tether app and the tapp app.

With cable I'm hitting almost 1gbit down and 500 up, but on wifi I'm only getting a max of 250-300 down and the same in up. I'm testing this near the main deco. I saw there are better channels availab