I understand you're looking for information on Vizio Smart TVs, but I should clarify that "jailbreaking" as commonly understood (like on iOS or gaming consoles) doesn't really apply to Vizio Smart TVs in the traditional sense. Vizio TVs run a proprietary, lightweight operating system (SmartCast) that isn't designed for third-party app installations or file system access.
For true customization, consider buying an Android TV device. Your Vizio is an excellent display, but its strength lies in simplicity and stability, not hackability. Need specific steps for your Vizio model? Check the sticker on the back for the model number and visit Vizio's official support site. jailbreak vizio smart tv