How to Play YouTube With the Screen Off on iPhone
Want YouTube audio to keep playing when you lock your iPhone? Follow these background playback steps and check what to do when the sound stops.
troubleshooting · Tube Pro PiP Blog
YouTube playback guides for iPhone and iPad, plus video articles.
YouTube Picture in Picture Not Working on iPhone? Fixes
YouTube Picture in Picture not working on iPhone? Check both PiP settings, video eligibility and hidden windows, then narrow down app or playback problems.