Not really. Long answer: Some older Vizio models (E-series 2016–2018) had a brief exploit via USB autorun, but Vizio patched it in firmware v6.0+. By 2021, all Vizio SmartCast TVs (V-, M-, P-, OLED-series) use a secure boot chain. If you modify any system partition, the TV will refuse to boot (brick).
Most apps on a Vizio TV do not run locally; they stream from external servers or launch via embedded cloud configurations. jailbreak vizio tv top
Some sources suggest that certain Vizio models may allow sideloading APK files directly through a USB drive, though this is primarily successful on rare Vizio units running Google TV rather than SmartCast. Not really
Open the content and tap the icon (Android/Chrome) or AirPlay icon (iPhone/Mac). Select your Vizio TV from the list. If you modify any system partition, the TV
However, it's crucial to understand that Vizio Smart TVs, like other smart TVs, operate on closed systems. This means they are designed to work with specific apps and services approved by Vizio, and they don't typically allow for the kind of "jailbreaking" that's common with iOS devices or Android smartphones.
Because Vizio’s OS is restrictive, most users "jailbreak" their experience by plugging a device into an HDMI port. This allows you to install third-party apps like Kodi or Stremio that Vizio blocks. Amazon Fire Stick