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or version found on older Vizio D-series and E-series TVs . Below are the specific details and update instructions for both scenarios. Vizio S4251w-B4 Soundbar

Hold down the button on the remote for 10 seconds until the TV restarts. This clears the cache without erasing settings.

. While newer versions like 4.60.27 or even 5.x have since been released, many users find their devices stranded on 4.25.11 for years, unable to trigger the Vizio auto-update Why 4.25.11 Is Significant