Please advise further, I am not seeing any error messages on the Nvidia Shield. The communication error exists only on the Firestick.

Are you able to make any suggestions? The problem persists on the Firestick but not on the Shield.

Yes, it's an Nvidia Shield. It's only a year old.

I've had a Duo, for about 1 year now, hardwired to my router, and it runs flawlessly on my primary TV. I use it only to watch local TV stations. I have a second TV that runs HD Homerun on a Firestick connected by WiFi and it has also run flawlessly until recently. It works well for a certain amount ...