How to fix Youtube vanced error 400

Imagine this: you’ve been binge-watching your favorite YouTuber’s content, immersed in the insightful commentary, the humor, or the compelling narratives they spin. Maybe it’s late at night, or perhaps you’re on a break, snatching a few moments of digital leisure. Suddenly, a wrench is thrown into your seamless streaming experience. You’re met with a mystifying interruption: YouTube Vanced Error 400. The page goes blank, your show comes to an abrupt halt, and you’re left wondering what could have possibly gone wrong.

This digital hiccup is more common than you’d think. Error 400 is a tech industry term that corresponds to a ‘bad request.’ In the context of YouTube Vanced, a feature-rich alternative to the mainstream YouTube app, it’s like a short, sharp dialogue between the app on your device and the servers maintaining the content you were enjoying. Your device makes a request, but the server rejects it, seeing it as invalid for a plethora of possible reasons. And so, you’re left in the lurch, yearning for your interrupted content.

Now, this might feel frustrating, and you might think that rectifying this involves a complex dance of technical steps. Fear not, though. While the term ‘YouTube Vanced Error 400’ might seem daunting, it’s typically a straightforward issue to resolve. With a calm mind, a bit of patience, and a step-by-step approach, you can be back to enjoying your content without too much hassle. So, let’s take a look at these steps and how you can troubleshoot the infamous YouTube Vanced Error 400, bringing an end to your streaming woes.

youtube vanced error 400

Also read: How to fix Error code: csc_7200026

What is Error 400?

Error 400, often referred to as a ‘Bad Request’ error, is a standard HTTP response code that signals an issue with the request made by the client—your device in this case. When you’re using YouTube Vanced and encounter this error, it means that the server, which hosts and provides the video content, cannot understand or doesn’t approve of the request sent by the YouTube Vanced app on your device. This could be due to several reasons, such as an incorrect or corrupted request, issues with the app’s cache or data, or even a glitch in your internet connectivity.

Impact of YouTube Vanced Error 400 on Users

The YouTube Vanced Error 400 can significantly disrupt your video streaming experience. It can interrupt your binge-watching session, halt a live stream, or even prevent you from accessing the app altogether. Essentially, it acts as a barrier between you and the content you wish to consume, causing frustration and inconvenience. Since YouTube Vanced is a popular alternative to the standard YouTube app, offering features like background play and ad-blocking, the impact of this error can be quite pronounced for regular users who’ve come to rely on the enhanced functionalities of this app.

Common Reasons Behind YouTube Vanced Error 400

Cache and Data Issues

One of the primary reasons behind the YouTube Vanced Error 400 is issues with the app’s cache and data. Cache refers to the data that is stored by the app to speed up certain processes and ensure a smooth user experience. However, over time, this data may become corrupted, leading to issues like the Error 400. Similarly, any problems with the stored data related to your user profile or app settings may also result in this error.

Network Problems

Network issues can also lead to Error 400 on YouTube Vanced. An unstable or weak internet connection may interfere with the data transfer between your device and YouTube’s servers, resulting in a bad request. This can happen due to poor Wi-Fi signal, data congestion, or other issues affecting your internet connectivity.

Outdated Application

Using an outdated version of YouTube Vanced may also cause Error 400. As developers continue to refine and improve the app, older versions may not be fully compatible with the server requirements. This discrepancy can result in a bad request error. Furthermore, an outdated app might also have unresolved bugs or issues that lead to Error 400, which is why keeping your apps updated is generally recommended.

How to Identify YouTube Vanced Error 400

Signs of Error 400

Recognizing YouTube Vanced Error 400 is quite straightforward, as it usually displays a notification on your screen. The common sign is an error message that pops up stating something like “Error 400,” “Bad Request,” or “A network error occurred.” Along with these messages, you might experience abrupt interruptions while watching videos, or the app may refuse to load content or even open in some cases. It’s also possible that certain features of the app stop functioning properly.

Confirming it’s Error 400

While the presence of an error message is a strong indicator of Error 400, it’s essential to confirm that this is indeed the issue at hand. The best way to do this is to try accessing YouTube Vanced from a different device or network. If the app works properly in different conditions, the issue is likely localized to your device or network, suggesting a strong possibility of Error 400. Furthermore, if you’re using a VPN or proxy, try disabling it and then accessing the app. These tools can sometimes interfere with the app-server communication, leading to a bad request error. By trying these different scenarios, you can narrow down the cause and confirm that you’re dealing with YouTube Vanced Error 400.

Steps to fix Youtube vanced error 400

1. Clearing App Cache and Data

Steps to Clear Cache and Data

Clearing the cache and data is often the first step in resolving the Error 400. Here’s how to do it:

  1. Open your device’s ‘Settings’ menu.
  2. Scroll down and tap on ‘Apps’ or ‘Application Manager’ (this may vary depending on your device).
  3. Scroll down to find ‘YouTube Vanced’ and tap on it.
  4. Tap on ‘Storage’.
  5. You’ll see two options here – ‘Clear Data’ and ‘Clear Cache’. Tap on both, one at a time.

Remember to back up any important data related to the app before proceeding with this step as it will remove all personal settings.

Why This Might Resolve the Error

The app’s cache and data hold certain elements for quick retrieval to ensure smooth operation. Over time, however, these files can become outdated or corrupt, which can interfere with the proper functioning of the app and potentially lead to issues such as Error 400.

Clearing the cache and data removes these potentially problematic files. When you restart YouTube Vanced after clearing its cache and data, the app will create new, fresh files, which can help eliminate any issues caused by the previous ones. Therefore, this simple step can often resolve Error 400 and allow the app to run smoothly again.

2. Reinstalling the App

Uninstalling YouTube Vanced

To uninstall YouTube Vanced, follow these steps:

  1. Open your device’s ‘Settings’ menu.
  2. Scroll down and tap on ‘Apps’ or ‘Application Manager’ (this can vary depending on your device).
  3. Scroll down to find ‘YouTube Vanced’ and tap on it.
  4. Tap on ‘Uninstall’ and confirm your action.

This process will remove YouTube Vanced from your device completely.

Reinstalling YouTube Vanced

Reinstalling the app is quite straightforward:

  1. Open a web browser on your device.
  2. Search for the official YouTube Vanced download page.
  3. Download the latest version of YouTube Vanced. Remember, if you’re using a non-root version, you’ll need to download MicroG as well in order to log in with your YouTube/Google account.
  4. Once downloaded, tap on the APK file to install it. If prompted, you may need to allow installations from unknown sources in your settings.

Reinstalling the app ensures you are running the latest version, which typically includes fixes for known bugs and issues. It can also help if there were problems with the initial installation or if certain files became corrupted or altered after installation.

3. Checking Your Internet Connection

Assessing Internet Stability

The stability of your internet connection plays a crucial role in the smooth functioning of YouTube Vanced. To assess the stability of your connection, try loading other data-intensive sites or applications. If they load slowly or not at all, your connection could be the issue. You can also use online tools to conduct a speed test for a more quantitative assessment.

How to Improve Connection

If you determine that your internet connection is unstable, here are a few ways to improve it:

  1. Restart Your Router: Sometimes, simply turning your router off and then back on can resolve connectivity issues.
  2. Positioning Your Router: Make sure your router is in an optimal location. It should be in a central spot, free from obstructions, and elevated off the floor if possible.
  3. Use Ethernet: If possible, use an Ethernet cable to connect your device directly to your router. Wired connections are typically more stable and faster than wireless ones.
  4. Limit Device Usage: If many devices are connected to your Wi-Fi and using data simultaneously, it could slow down your connection. Try disconnecting devices that aren’t in use.
  5. Update Router Firmware: Make sure your router’s firmware is up-to-date. Outdated firmware can lead to performance issues.
  6. Contact Your Internet Service Provider (ISP): If none of the above steps work, you might want to contact your ISP. They can provide further assistance, as the issue might be on their end.

By ensuring a stable internet connection, you can eliminate it as the cause of YouTube Vanced Error 400.

4. Updating MicroG (if installed)

What is MicroG?

MicroG is a free and open-source implementation of Google Play Services for Android. It’s a lightweight service that allows applications like YouTube Vanced to use Google services without relying on Google Play Services. MicroG is essential for non-root versions of YouTube Vanced as it allows you to log in with your Google account.

Steps to Update MicroG

If you’re using YouTube Vanced with MicroG, it’s important to keep MicroG up to date to prevent issues like Error 400. Here’s how to update it:

  1. Open a web browser on your device.
  2. Search for the official MicroG download page.
  3. Download the latest version of MicroG.
  4. Once downloaded, tap on the APK file to install it. If prompted, you may need to allow installations from unknown sources in your settings.
  5. If a previous version of MicroG is already installed, the new installation should simply update the old one.

Keeping MicroG updated ensures that YouTube Vanced can communicate with Google services correctly, preventing issues like Error 400.

5. Install Vanced Manager

Here’s a step-by-step guide on how to install Vanced Manager, which will allow you to easily install and update YouTube Vanced and MicroG:

  1. Open a web browser on your Android device.
  2. Go to the official Vanced website or a trusted source where the Vanced Manager APK is available
  3. Download the Vanced Manager APK.
  4. Once the APK has been downloaded, tap on the notification to install it.
  5. If your device prevents the installation and shows a pop-up saying “For your security, your device is not allowed to install unknown apps from this source,” go to ‘Settings’.
  6. Under ‘Settings’, look for ‘Security’ (this may vary depending on your device).
  7. Scroll down in the ‘Security’ menu until you find ‘Unknown sources’. Tap the switch to turn it on.
  8. Go back and try to install the Vanced Manager APK file again.
  9. Once Vanced Manager is installed, open the app.
  10. From there, you can install both YouTube Vanced and MicroG directly through Vanced Manager.

Please note that it’s always important to download applications from trusted sources to avoid potential security risks. Always be cautious when enabling installations from unknown sources.

6. Logging In and Out

How to Log Out and Log In Again

Sometimes, simply logging out and then back in can resolve issues with YouTube Vanced.

 To log out:
  1. Open the YouTube Vanced app.
  2. Tap on your profile icon in the top right corner.
  3. Tap on “Switch account”.
  4. Tap on “Use YouTube signed out”.
To log back in:
  1. Tap on your profile icon again.
  2. Tap on “Sign in”.
  3. Follow the prompts to sign in with your Google account.

Why This Might Resolve the Error

Logging out and back in can effectively refresh your account data on the app. It may resolve issues related to account authorization or authentication, which can be the cause of Error 400. If your account data was corrupted or not syncing properly with the server, this step allows the app to establish a new session with fresh account data, which may resolve the error.

Dealing with Recurring YouTube Vanced Error 400 Issues

When to Seek Further Assistance

If none of the troubleshooting steps resolve the YouTube Vanced Error 400, it might be time to seek further assistance. You could visit online forums or communities related to YouTube Vanced, as other users may have encountered similar issues and found unique solutions. You can also seek help from the YouTube Vanced support team or other technical experts.

Alternatives to YouTube Vanced

While YouTube Vanced offers many unique features, there are alternatives available if you continue to experience issues. Here are a few you might consider:

  1. NewPipe: An open-source Android application that lets you browse and play YouTube content without ads. It also allows background play and downloading videos.
  2. VidMate: A free video downloader app for Android that allows you to stream and download videos from various platforms, including YouTube.
  3. SnapTube: Another Android app that allows users to download YouTube videos to their devices in MP3 format.
  4. Standard YouTube App: Although it doesn’t offer the advanced features of YouTube Vanced, the standard YouTube app can be a reliable alternative. You can consider using it with YouTube Premium for ad-free and background play.

Remember to verify the legality and safety of these apps according to your local laws and regulations, and always download apps from trusted sources.


Navigating YouTube Vanced Error 400 can be perplexing, yet armed with these steps, the solution is within your grasp. Clearing cache and data often resolves the issue swiftly. If persistent, reinstalling the app or updating MicroG can bring relief. When these don’t do the trick, test your internet connection, or simply log out and back in. In the event of recurring problems, don’t hesitate to seek further assistance or explore dependable alternatives. After all, uninterrupted, enjoyable streaming should be the norm, not the exception. Happy viewing!


1. Why am I seeing the Error 400 on YouTube Vanced?

It might be due to cache issues, network problems, outdated app versions, or MicroG glitches. Try the suggested fixes!

2. Will reinstalling YouTube Vanced fix Error 400?

Often it does! A fresh install can solve issues arising from outdated versions or corrupted files.

3. Why would logging out and back into my account help?

It refreshes your account data, potentially solving issues with account authorization or data syncing that cause Error 400.

4. Can a shaky internet connection cause YouTube Vanced Error 400?

Absolutely. A stable connection is crucial for smooth operation, as network instability can lead to such errors.

5. What should I do if Error 400 keeps popping up, despite trying all the fixes?

Consider seeking further help from online communities or explore reliable alternatives like NewPipe or the standard YouTube app.