: Videos remain accessible for up to 29 days as long as you connect to the internet once during that period.
: Automatically downloads recommended videos based on your viewing history. Resolution Options : Typically supports up to 1080p. How to Download YouTube Videos Through (Mobile)
: The files are encrypted and can only be viewed within the YouTube app; you cannot move them to your gallery or use them in other players like VLC. 2. Best Options for Android : Videos remain accessible for up to 29
The only method explicitly endorsed by Google for offline viewing is a subscription. How to Download YouTube Videos Through (Mobile)