How do I fix the bug outdated server when you want to join a server in minecraft pe?

To fix the "outdated server" bug in minecraft PE, first ensure that your game is updated to the latest version available for your device. If the server you are trying to join is on a different version, either update the server or find a server that matches your game version. You can also check the server's website or community for any announcements regarding version compatibility. If the issue persists, restarting your app or device might help resolve temporary connectivity problems.