The keyword refers to a specific version of Smart YouTube TV , an open-source, third-party client developed by Yuriy Lyskov to improve the streaming experience on older Android-based smart TVs . Released originally in mid-2020, version 6.17.391 remains a popular stable build for legacy hardware that no longer supports the official Google YouTube app. What is Smart YouTube TV 6.17.391?
This specific version is often sought out because it serves as a "bridge" for devices that cannot run more modern 2026 builds. Its features include:
Fixes common errors on older TVs, such as "This action isn't allowed" or app crashes during video playback. Key Features of the 6.17.391 Build