Vizio SmartCast Limitations
Vizio's SmartCast platform has more limited codec support compared to dedicated streaming devices. If you experience frequent transcoding, consider using a Fire TV Stick 4K, Roku, or Apple TV instead of the built-in app.
Launch Plex from SmartCast:
Best quality on your home network.
Best quality from outside your home.
Play files without conversion when possible.
Allow minor format changes without full transcoding.
Enable full HDMI bandwidth (for external devices):
Enables 4K HDR on HDMI inputs. Good to have enabled regardless.
Most accurate colors for movie watching.
Picture Mode Guide
Calibrated: Accurate colors for well-lit rooms.
Calibrated Dark: Optimized for dark room viewing.
Vivid: Avoid - oversaturated and inaccurate.
Prevents soap opera effect.
Can help with 24fps content, but can also cause artifacts.
Motion interpolation - turn it off for movies.
Quick Reference - All Settings
- ✓ Local Quality: Original / Maximum
- ✓ Remote Quality: Original / Maximum
- ✓ Direct Play: ON
- ✓ Direct Stream: ON
- ✓ Full UHD Color: ON (TV settings)
- ✓ Picture Mode: Calibrated
- ✓ Motion Settings: OFF or Low
Constant transcoding
- SmartCast has limited codec support
- Consider Chromecast or a dedicated streaming device
- Use SRT subtitles instead of image-based subtitles
App crashes or slow performance
- Update your TV's firmware
- Clear app cache or reinstall Plex
- Restart your TV