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When I switched TV's I had to reset to factory and the all was well. They do the TV detection when you set it up.
My Panasonic TV remote works with the Apple TV out of the box. I hate that little remote!!
I find the Amazon is very messy if you don't use and app often it's hard to find. The Tivo I can lock app in the favorites and they will be there....
Did you personalize the App so It won't show streaming services you don't have?
Works well on my Samsung TV with Soundbar. I just worked.
Plex is the way to go with some adjustments so your streams don't flicker. On your Tivo reduce the resolution from 4K60Hz to 4K30Hz and Plex will...