If you have downloaded the latest version but are not seeing improved quality, follow these steps:
The most secure, reliable way to resolve the 617/391 error and get the latest updated version of YouTube is by using official update channels built directly into your television. What Causes the YouTube 617/391 Error?
To watch 4K UHD-quality videos on YouTube, a faster internet connection is required compared to HD or SD content. For optimal results:
Unplug your TV from the wall outlet. Wait exactly 60 seconds. Plug it back in and try the download again. This clears stuck system memory. 2. Clear App Cache and Data If you have downloaded the latest version but
Samsung uses its own app ecosystem, which requires a slightly different approach. Press the button on your remote control. Navigate to and select Apps .
Open the downloaded .apk file through your file manager to install the updated version. Troubleshooting: "Extra Quality" Issues
Press and hold the physical power button on the TV itself for 10 seconds to drain residual power. Plug the TV back in, turn it on, and test the YouTube app. Method 3: Reinstall the YouTube Application For optimal results: Unplug your TV from the wall outlet
SmartTube is a free, open-source YouTube player designed specifically for Android TV. Its core features include:
For users who encounter compatibility issues, prefer a version not yet available in their region's store, or are seeking "extra quality" features such as ad-free playback and higher resolution support, sideloading APK files becomes an option. This method is particularly useful for Android TV boxes or smart TVs that lack Google Services.
Downloading the latest version of Smart TV YouTube 617 391 is easy. Simply follow these steps: This clears stuck system memory
In the evolving world of home entertainment, your Smart TV is only as good as the apps running on it. For millions, YouTube is the primary source of entertainment, news, and education. However, users often encounter performance lag, buffering issues, or outdated interfaces that limit the viewing experience.
The developer of Smart YouTube TV has moved on to a newer project called SmartTube , which is more frequently updated for modern devices.
Find the icon. If an update is ready, a clear Update button will appear next to it.