Earlier quoted context omitted.
The post you're replying to suggests that an independent LTE connection will be bundled into every device, so that none of the interventions you've listed will work. Good luck maintaining your bubble.
Sorry, but this is the device I will not buy. The tv I have bought was a mistake, it is my last smarttv, next one will be a monitor. Anyway, why would companies bother to install LTE module, when 99.999% of people will just plug the device to the internet? It would be hugely inefficient. This just wont happen. I have seen chips beeing replaced by another ones due to be 50 cents expensier (and hugely more capable) and…
Adding RF insulation in your walls might be effective, but I think you will come to regret not being able to get or make phone calls in your home.