Samsung uses its own app ecosystem, which requires a slightly different approach. Press the button on your remote control. Navigate to and select Apps .

Troubleshooting tips

Are you able to access like Netflix or Prime Video normally?

SmartTube is a free, open-source YouTube player designed specifically for Android TV. Its core features include:

Go to your TV system settings and ensure the Date and Time are set to "Automatic" or "Use Network Time." If your TV's internal clock doesn't match YouTube's server clock, the security certificates fail, triggering error 391.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Manual / Advanced installation (Android TV only)

He searched for a nature documentary. ‘Planet Earth: The Deep Ocean.’ He selected a video known for its visual fidelity. He pressed play. He selected Extra Quality.

Navigate to > Security & Restrictions (or Privacy on newer Google TV models).

Each release includes bug fixes, performance improvements, and enhanced platform compatibility.

To keep the 617 391 version and prevent the TV from automatically updating it to a newer, potentially less desirable version:

Open the Downloader app and type in the web address of a trusted APK hosting site (like APKMirror). Search for the latest version of "YouTube for Android TV."

The numbers "617" and "391" that appear in related searches are likely tied to specific TV model identifiers (such as the TCL 55P617K or Rowa 65WB617UHD) rather than the YouTube app version itself. This suggests the user may be looking for YouTube app compatibility information specific to their TV model.

Open the YouTube app, go to Settings, and look for "About" or "Version" information. You can then compare this number with the latest version listed on trusted sources like APKMirror.