Have you ever met the issue that
YouTube picture-in-picture not working
on your Android device. Then follow these simple steps to resolve this issue.
1. Clear YouTube’s cache and cookies on your Android.
a) Go to Settings > Apps > App management.
b) Head into YouTube.
c) Select the Storage usage.
d) Choose Clear cache to remove the app’s cache files.
2. Update your Andriod’s software.
a) Go to Settings and select Software Updates.
b) Now, click on Check for Updates.
3) Update the YouTube app.
a) Open your phone's Google Play Store.
b) Look up YouTube.
c) Click on Update and install it.
4. If you're still having trouble, contact YouTube support.