If you're unable to find the update on the Google Play Store, you can download the APK file for YouTube for Android TV 20702 from a trusted source, such as:
The download link for leads to a legacy version of the app originally released in July 2019. This specific build is often sought for older hardware running Android 5.0 (Lollipop) or higher. Download Link & Variants youtube for android tv 20702 download link
If you are troubleshooting performance, this build was known for: Reduced CPU usage and frame drops. Connectivity: Improved network throughput. Compatibility: Added support for the Opus audio codec. If you're unable to find the update on