To fix YouTube not working on a smart TV running (KitKat), the most effective solutions involve clearing corrupted data or bypassing the outdated official app, which often loses support on older operating systems. Quick Fixes for Android 4.4.4
You can try installing older versions of the official YouTube app that still maintain some connectivity. Is YouTube FINALLY Fixed on Android TV? smart tv android 444 youtube not working best
: Google has officially deprecated YouTube app support for Android versions below 5.0 (Lollipop). Standard updates from the Play Store often result in "compatibility" errors or apps that crash immediately. Core Hardware Limitation To fix YouTube not working on a smart