Accessing the latest UI improvements and content formats (like 4K or HDR).
Be careful when searching for "YouTube download" links online. download updates through your TV's official store.
Pro Tip : You can also long-press the YouTube icon on your home screen and select to find the update button. For Samsung (Tizen OS) : Press the Home button and navigate to Apps . Select the Settings gear icon in the top-right corner. smart tv youtube 617 391 download latest version upd
: Handshake errors occur when the older version's security certificate does not match the active server protocols.
Having your YouTube app crash, freeze, or display errors like "617" or "391" on your Smart TV disrupts your viewing experience. These specific alphanumeric codes usually point to a corrupted app cache, an outdated software build, or a temporary handshake failure between your TV and the YouTube servers. Accessing the latest UI improvements and content formats
By verifying your network clock alignment, scrubbing the local cache files, and forcing a repository re-installation, you can clear out the 617 and 391 errors and enjoy uninterrupted playback once again.
If your Smart TV runs an Android platform but the Google Play Store is locked, restricted, or failing to push the patch, you can manually sideload the latest architecture-compatible YouTube Android TV APK. Pro Tip : You can also long-press the
Do not just turn the TV off with the remote. Unplug the power cable from the wall outlet, wait 60 full seconds, plug it back in, and turn it on. This clears the system RAM and destroys temporary corrupted data.
If the 617 391 error persists even after installing the latest update, run through these quick maintenance fixes: Clear Cache and Reset App Data