This specific build was released around June 2020 for Android 4.0+ devices.
We aren't satisfied with the standard stream. We want the 4K crispness that makes every pixel on that 65-inch screen earn its keep. This specific build was released around June 2020
Smart YouTube TV 6.17.391 (noarch) (Android 4.0+) - APKMirror Smart YouTube TV 6
Open the TV's file manager, select the APK, and follow the on-screen prompts to install. If you still encounter performance problems, contact YouTube
The original "Smart YouTube TV" app has largely been succeeded by (formerly SmartTubeNext), which is optimized for 4K streaming, has a built-in ad-blocker (SponsorBlock), and does not require Google Play Services. Official Source : SmartTube App Official Site .
If you still encounter performance problems, contact YouTube Help via your phone or computer. Never, ever sideload an APK from a random website onto your television.
: Be cautious when downloading APKs from unofficial links, as they can sometimes contain malware. Stick to reputable community-vetted sites. Are you trying to fix an issue with an older TV model , or are you just looking for 4K streaming on a new device? Download & control YouTube TV on your TV - Google Help