Check if the same issue happens on Google Assistant app on phone. Remove
all accounts linked on Google Home app and on the phone. Relink first
the account that have YouTube Premium on phone and Google Home app
First step is to reboot everything.. phone, router, and Chromecast. If
this clears it up great! If not.. you will need to try more in-depth
stuff. Can you cast from an app, say Netflix or YouTube? Does this only
happen when casting your phone's entir...
If it's multiple routers with the same issue.. then I would say its your
internet provider. You said you switched providers.. are they running on
the same infrastructure? Ie both running on the same coaxial cables ? If
so it may be a problem with the...