What are you using (Firestick, Nvidia Shield, Sony TV)?
Often indicates a playback issue caused by outdated app versions or codec incompatibilities. How to Fix Errors and Make Performance Better 1. Update to the Latest Stable Version
Both Error 617 and Error 391 typically point to communication failures between the application and YouTube's servers. smart youtube tv 617 391 better
Much faster navigation on Firestick and Android TV. Summary Checklist for a Better Experience
Usually relates to a "Request Timeout" or a signature verification failure. What are you using (Firestick, Nvidia Shield, Sony TV)
Handles the latest YouTube API changes more efficiently.
Switch the or try a different Video Buffer size. 4. Fix Signature Issues If you see 617 after a YouTube UI update: Go to Settings in the app. Find the Reset or Fix Signatures option. This re-syncs the app's handshake with YouTube's backend. Moving to SmartTube (The Better Choice) Update to the Latest Stable Version Both Error
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