Smooth update β YouTube on my Smart TV works perfectly now!
Before we dive into the installation instructions, let's address the mysterious number at the core of your search. In the context of YouTube on Smart TVs, the string "617 391" could represent one of two things:
Advanced Troubleshooting: Sideloading and Alternative Methods smart tv youtube 617 391 download latest version upd
If you are using a modern TV, you should update through the official store to ensure you have the most secure version: Samsung Smart TV button and select Select the icon (top right) and ensure Auto Update
Click the (gear logo) in the top right corner. Locate the YouTube app from the list. Smooth update β YouTube on my Smart TV works perfectly now
Ensure is toggled ON at the top right to prevent future playback failures. For LG Smart TVs (webOS) Press the Home button and launch the LG Content Store . Navigate to Apps > My Apps . Find YouTube in your installed application library. If an update badge is present, click Update .
If the app opens but videos don't play, search for and install the "Crosswalk Project" APK alongside the YouTube app. π Alternatives for 2026 Locate the YouTube app from the list
How to Download the Latest YouTube Version Update (By Brand)
After extensive research, version "617 391" (or "6.17.391") does not match any official version number for the main YouTube or YouTube TV apps found in standard app stores or developer release notes.
If updating doesn't work, you need to clear the cache or reinstall the app entirely. Go to Settings > Apps > See all apps . Find YouTube . Select Clear Cache and then Clear Data . Restart your TV and open YouTube again. Method B: Reinstall (Samsung/LG) Go to Apps > Settings . Highlight YouTube . Select Delete or Uninstall . Reboot the TV.
Temporary communication drops between your ISP and YouTube authentication servers. Step-by-Step Guide to Download the Latest Update