Youtube Vanced Error 400: How To Fix It


YouTube Vanced is a popular modified version of the official YouTube app that offers features such as ad-blocking, background playback, and more. However, users have reported encountering Error 400 when trying to use the app. In this article, we will explain what Error 400 is and how to fix it.

What is Error 400?

Error 400 is a common error code that occurs when a request sent to the server is invalid or cannot be processed. In the case of YouTube Vanced, this error typically occurs when the app is unable to connect to the YouTube servers. This can happen due to various reasons, such as an outdated version of the app or a connectivity issue.

How to Fix Error 400 in YouTube Vanced

1. Update YouTube Vanced

The first step in fixing Error 400 is to ensure that you are using the latest version of YouTube Vanced. Developers regularly release updates that fix bugs and improve the app’s performance. To update the app, go to the YouTube Vanced website and download the latest version.

2. Clear Cache and Data

If updating the app does not fix the issue, the next step is to clear the app’s cache and data. This will remove any corrupt files that may be causing the error. To clear cache and data, go to Settings > Apps > YouTube Vanced > Storage > Clear Cache/Clear Data.

3. Check Internet Connectivity

Another common reason for Error 400 is poor internet connectivity. Ensure that you have a stable internet connection and try using the app again. If you are using a VPN, try turning it off and connecting to the internet directly.

4. Disable Battery Optimization

Some Android devices have battery optimization settings that can interfere with app performance. To disable battery optimization for YouTube Vanced, go to Settings > Battery > Battery Optimization > All Apps > YouTube Vanced > Don’t Optimize.

5. Reinstall YouTube Vanced

If none of the above steps work, try uninstalling and reinstalling YouTube Vanced. This will remove any corrupt files and settings and give you a fresh start. To uninstall the app, go to Settings > Apps > YouTube Vanced > Uninstall. Then, reinstall the app from the YouTube Vanced website.


Error 400 in YouTube Vanced can be frustrating, but there are several steps you can take to fix it. By updating the app, clearing cache and data, checking internet connectivity, disabling battery optimization, or reinstalling the app, you can get YouTube Vanced working again.

Additional Tips

Here are some additional tips to improve your experience with YouTube Vanced:

1. Use a Reliable Source

When downloading YouTube Vanced, ensure that you are using a reliable source such as the official YouTube Vanced website. Avoid downloading from third-party sources that may contain malware or viruses.

2. Keep Your Device and App Updated

Regularly update your Android device and YouTube Vanced to ensure that you are using the latest software and security patches.

3. Avoid Using Multiple YouTube Apps

Avoid using multiple YouTube apps on your device, as this can lead to conflicts and issues. Stick to using YouTube Vanced as your primary YouTube app.

4. Don’t Disable System Apps

Avoid disabling system apps on your device, as this can cause compatibility issues with YouTube Vanced and other apps.

5. Contact Support

If you are still encountering issues with YouTube Vanced, consider contacting the developers for support. They may be able to provide additional guidance or fixes.