If you see You're offline, Check your connection error message when trying to play YouTube videos even when you are connected to the internet, see this post.

To fix connection errors on YouTube, make sure your internet connection is working fine. You can try restarting or powercycling your network device or switch to a more reliable network connection.

Method 1: Check the phone internet connection Since streaming video on your phone requires a data connection to work you will need to make sure that your phone has a good internet connection.

When playing a YouTube video, you may encounter an error with the code '0'. This error usually appears right at the start, preventing the video from ...

How to Fix It When You Have No Internet Connection Follow these troubleshooting steps when you have Wi-Fi but no internet: Reboot your router and modem.