Version 6.17 typically marks the transition from the older, grid-heavy interface to the modern, row-based layout.
Most Smart TVs update apps automatically. To check if you have the latest version: Smart Tv Youtube 6.17 391 Download Latest Version
Cause: Insufficient storage on the TV’s internal memory. Fix: Delete unused apps or clear browsing data from the Samsung Internet app. YouTube 6.17.391 requires approximately 85 MB of free space, plus 30 MB for unpacking. Version 6
Cause: Corrupted cache from the previous version. Fix: Go to Settings > Apps > YouTube > Clear Cache and Clear Data. You will need to log in again, but the app will stabilize. grid-heavy interface to the modern