VIA, by the way, stands for Vizio Internet Apps. If your TV is from 2011 or earlier, Vizio says that data collection has already been disabled remotely. If you want to be sure, follow these steps: ...

Unfortunately, Vizio has now decided to change that behavior, with a late 2021 firmware update that makes SmartCast the default input whenever you turn on the TV.

Just unplug your Vizio TV from the wall outlet, wait for about five seconds, then plug it back in. On some models, you can also open the menu, go to Reset & Admin, and choose Soft Power Cycle.