Fix YouTube Error 400 [Easy & Secure]

This comprehensive guide teaches you easy and secure methods to fix YouTube Error 400. Bonus tips include repairing corrupted YouTube videos using EaseUS Fixo Video Repair. Keep reading to get solutions to your problem.

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Among the most popular streaming services is YouTube, which has developed into a daily entertainment staple. Now, if you visit YouTube frequently, error 400 will interfere with your normal viewing schedule. This detailed article'll look at simple and secure ways to troubleshoot YouTube Error 400 solutions, assuring continuous viewing experiences.

Fix 1. Disable Restricted Mode in YouTube to Fix YouTube Error 400

Disabling YouTube Restricted Mode may fix YouTube Error 400. While Restricted Mode filters out adult content, it may also create server issues. Here's how to turn it off. This method also works when you ecnounter unable to play video error 150.

Step 1. Open YouTube on your phone and tap the profile button in the top right corner.

Step 2. Go to the Settings menu and select "General." You may find the Restricted Mode option here. To turn Restricted Mode off, disable the toggle switch next to it.

turn off restricted mode

Disabling Restricted Mode allows YouTube to work without any content filtering limitations, which may help resolve Error 400. After turning off Restricted Mode, try viewing YouTube again to see if the problem remains.

Do remember to share this post with your friends in need:


Fix 2. Allow Data Usage to Solve Error Code 400 in YouTube

To troubleshoot YouTube Error Code 400 on a Samsung phone, consider enabling mobile data usage just for the YouTube app on your device. When mobile data access is blocked for YouTube, it may cause a server error. Here's how to allow mobile data usage on YouTube:

Step 1. Press and hold the YouTube app icon on your smartphone to access the context menu.

Step 2. Choose "App info" from the selections.

Step 3. Scroll down and select "Connection method" or a similar option.

Step 4. Check the option next to "Mobile data" to allow data usage for the YouTube app.

Step 5. Tap "OK" to confirm the modification.

allow mobile data usage 

Step 6. On other Android phones, tap on "Mobile Data" and toggle to turn on "Allow background data usage" and "Allow data usage while Dara saver is on."

allow data usage android

Finally, quit the settings and restart the YouTube app to see whether the 400 problem continues.

Fix 3. Update the YouTube App to Troubleshoot YouTube Error 400

To fix YouTube Error 400, you can upgrade your device's YouTube app. Outdated software versions may include bugs or compatibility issues, which might cause server failures. Follow these steps to upgrade the YouTube app as a seamless YouTube error 400 fix:

Step 1. Open your smartphone's Play Store.

Step 2. Search for "YouTube" in the store to locate the app.

Step 3. Once you've located the YouTube app, tap to open it.

Step 4. If an update is available, you will see the "Update" button. Tap this button to start the updating process.

update youtube app

Step 5. Let the update install on your device. The update may take a few seconds, depending on your internet speed.

Step 6. After the update, open the YouTube app to see if the Error 400 continues.

Fix 4. Clear Data and Cache in YouTube to Fix Error Code 400

The YouTube app's data and cache can often be cleared to fix YouTube Error 400 on iPhone & Android. Temporary files and stored data generating conflicts or errors are deleted during this process. Here's how to erase your data and cache in the YouTube app:

Step 1. On your Android device, press and hold the YouTube app icon to bring up the context menu.

Step 2. Choose "App info" or "App settings" from the options.

Step 3. Find and tap "Storage usage" or a related option from the App info or App settings menu.

Step 4. Tap on the "Clear Cache" button. When asked, confirm that you want to erase the app's cache.

clear youtube cache

Step 5. Once the procedure is finished, quit the settings and restart the YouTube app.

Fix 5. Check and Change the DNS Server to Solve YouTube Error 400

If you're getting YouTube Error 400 on Android smartphone, try these steps to verify and adjust your DNS server settings:

Step 1. Launch the Settings app on your Android smartphone.

Step 2. Select "Sim Cards and Mobile Network."

Step 3. Choose "Advanced settings" from the menu.

Step 4. Scroll down to "IP Settings". Switch from "DHCP" to "Static."

change ip settings

Step 5. Enter DNS server addresses in the "DNS 1" and "DNS 2" columns. Google DNS ( and Cloudflare DNS ( are public DNS servers.

Step 6. Tap "Save" or "Apply" to save changes.

Step 7. Restart your device to implement the updated DNS server settings.

Bonus Tips: How to Repair Corrupted YouTube Videos

If you want to repair corrupted YouTube Videos, the EaseUS Fixo Video Repair is the perfect tool! It is a powerful tool for efficiently repairing damaged YouTube videos.

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This program is handy when users find problems with their YouTube videos, such as playing faults, stalling, or distorted graphics. Whether the damage is caused by incomplete downloads, file transfer issues, or system failures, EaseUS Fixo Video Repair can repair corrupted videos to their original quality.

Here are some YouTube-related cases that this tool can perfectly deal with:

FAQs on YouTube Error 400

Let's have a look at common queries related to YouTube error 400:

1. How do I fix YouTube 400 error?

To resolve YouTube Error 400, try turning off Restricted Mode, permitting data use, upgrading the YouTube app, cleaning data and cache, or verifying and changing DNS server settings.

2. What does there's a problem with the server 400 mean?

If you see this error, it probably means that your request to access YouTube was invalid or incorrect.

3. What is error code 400 on YouTube TV?

Error code 400 on YouTube TV often signals a client-side problem in which the request provided to the server is faulty or has the wrong syntax, preventing the server from processing it.


Disabling Restricted Mode, permitting data use, upgrading the YouTube app, deleting data and cache, and checking/changing the DNS server will fix YouTube Error 400. These remedies address the problem and make YouTube seamless. EaseUS Fixo Video Repair can easily restore video integrity for broken YouTube videos. This powerful tool is recommended for smooth video playing and to prevent YouTube disturbances.

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author Finley


Finley is interested in reading and writing articles about technical knowledge. Her articles mainly focus on file repair and data recovery.

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