As Smart YouTube TV continues to evolve, we can expect to see further improvements and innovations, such as:
Version 6.17.740 is likely your best option, as modern YouTube apps often crash or fail to load on legacy hardware.
Use a browser or the "Downloader" app to grab the 6.17.740 APK from a trusted repository like GitHub or a reputable mirror.
Download the APK file and install it over your current version. No uninstallation is required.
Accept that the TV’s YouTube app is end-of-life. Use an external HDMI dongle. Your TV’s display will work perfectly; just outsource the “smart” functions.
The developer of Smart YouTube TV stopped maintaining this project several years ago in favor of a newer app. The final stable builds for Smart YouTube TV capped out in the and 6.17.739 range.
. Instead, users typically download the APK from reputable repositories like Enable Unknown Sources