: You can find older versions like 6.17.391 on reputable archives such as Adjusting Video Quality
(formerly SmartTubeNext). This newer app is actively maintained and designed to handle the modern YouTube API changes that often break older versions like 6.17.391. : You can find older versions like 6
If you are looking for "extra quality" streaming, you can adjust the official app settings: etc.). ✅ For better quality
✅ from your TV's app store (Samsung, LG, Android TV, Apple TV, Fire TV, etc.). ✅ For better quality , ensure your TV and internet support 4K; test via "Stats for Nerds" in the official app. ✅ For ad-free (if that's the goal), consider YouTube Premium legally. consider YouTube Premium legally.