Introduced this technical overlay to monitor playback health, resolution, and connection speed.

Refreshed channel pages for better navigation on large screens.

Go to Settings > Security & Restrictions and toggle on "Unknown Sources".

For the specific 1.3.11 build, reputable third-party repositories like APKMirror provide verified files signed by Google LLC to ensure safety. How to Install (Sideloading)

If version 1.3.11 is not appearing in your TV's app store, you can install it manually:

You can find the latest official updates on the Google Play Store .

This specific update introduced several core functionalities that defined the modern YouTube TV experience:

Open a file manager (like File Commander ) on your TV, locate the APK, and select Install . Troubleshooting & Performance

While 1.3.11 is stable for many legacy systems, some users on modern hardware report bugs like . If you encounter these issues, it is highly recommended to update to the latest version via Google Help to benefit from recent security patches and 4K playback improvements.

Use a USB drive or an app like Send Files to TV (available on Google Play) to move the downloaded file from your phone/PC to your Android TV.