It is easy to "isolate" wifi module in most smart tv with a screwdriver and about 30 minutes. They use commodity parts so it is normally removable (like in lapt

It is easy to "isolate" wifi module in most smart tv with a screwdriver and about 30 minutes. They use commodity parts so it is normally removable (like in laptops). If it isn't just screw up the antennae so the soc still sees its wifi device pop up but it sucks (ymmv). Not for your grandma but HN can handle it.