How to Fix Error 400 on Discovery Plus

Do you encounter an error 400 on Discovery Plus?

Discovery Plus is an incredible video streaming service where you can watch some of the best movies and shows from Discovery Channel. 

While the app is developed by Warner Bros, it is still suffering from the usual issues that new platforms encounter during their early stages. As the devs make the necessary adjustments, Discovery Plus will run into downtimes and errors from time to time. 

Unfortunately, Discovery Plus is growing each day, and more users get affected whenever errors occur. 

One of the most common issues on Discovery Plus is the error code 400, which occurs while streaming a movie or show. Based on what we know, this problem could be due to slow network connections or offline servers. 

On the other hand, it can also be due to improper user configurations and outdated app versions. 

Today, we will show you what to do when you encounter the error code 400 on Discovery Plus. 

Let’s begin!

1. Check Discovery Plus Servers. 

Before performing any troubleshooting measures on your end, we recommend checking Discovery Plus’ servers if you encounter the error code 400. This way, you’ll know whether the problem is coming from your end or Discovery Plus. 

You can use third-party services like Downdetector to check if there are ongoing issues with the platform. 

error 400 on Discovery Plus

If Discovery Plus is down, the only thing you can do is wait. Sadly, server-related problems can’t be resolved on your end. On the other hand, you can head to the next solution below if the servers are online. 

2. Restart Your Device. 

When you encounter error codes on Discovery Plus, it is a good measure to perform a system restart. This should reload your system resources and eliminate temporary bugs and glitches on your device. 

On Android: 

  1. Find the Power button on your device. 
  2. Hold it down until the selection menu shows up. 
  3. Lastly, tap on Restart
Restart Androiderror 400 on Discovery Plus

On iOS:

  1. Tap on the Assistive Touch on your display to access it. 
  2. Next, go to the Device tab and tap on More
  3. Finally, choose Restart
error 400 on Discovery Plus

Go back to Discovery Plus afterward and check if the problem is solved. 

3. Check Your Network Connection. 

A slow or unstable network could also be the reason you encounter the error code 400 on Discovery Plus. 

To confirm this, perform a test using to measure its current upload and download speed. 

Speed Test

If the result indicates a problem with your network, reboot your modem or router to re-establish the link with your ISP’s servers. Unplug your router from the power source and wait for 5 to 10 seconds before reconnecting it. 

Restart Router

Once done, re-run the test to check if the problem is solved. If not, contact your provider and ask them to fix the issue. 

4. Turn Off VPN. 

Virtual private networks are third-party services that protect your online data from hackers and sites that track your activity. They work by changing your default IP address and filtering your online data. 

However, this process can introduce delays and instability to your network, which can cause online platforms to malfunction. 

If you encounter the error code 400 on Discovery Plus, turn off your VPN first. 


On the other hand, you can try switching to a much better provider like PureVPN. Compared to other services, PureVPN uses high-speed, dedicated servers to ensure fast and reliable connections. 

5. Clear Discovery Plus Cache (Android). 

If you are using an Android device, try clearing Discovery Plus’ app cache if you encounter an error code 400. This should eliminate corrupted temporary data from your device. 

Here’s what you need to do: 

  1. First, go to the app drawer and locate Discovery Plus
  2. Now, hold down on its app icon until the selection menu appears. 
  3. Tap on App Info afterward and go to Storage & Cache
  4. Lastly, tap on Clear Cache
error 400 on Discovery Plus

Restart your device afterward and see if the error code 400 still occurs on Discovery Plus. 

6. Update Discovery Plus. 

Updating Discovery Plus could also help address the error code 400 on the platform. The version you are currently using might have an underlying issue related to connectivity, which explains the problem. 

Head to the App Store or Google Play Store on your device and install the latest version of Discovery Plus. 

While you’re there, take the time to update other apps on your device as well. 

7. Reinstall Discovery Plus. 

For your last option, we suggest reinstalling Discovery Plus if the error code 400 still occurs on your device. This should ensure that there are no missing or broken installation packages on your storage. 

Here’s how you can remove Discovery Plus: 

  1. On your home screen, locate the Discovery Plus app. 
  2. Next, hold down its app icon until the selection screen appears. 
  3. Finally, tap on Uninstall (Android) or Remove App (iOS). 
error 400 on Discovery Plus

Once done, go to the App Store or Play Store to reinstall Discovery Plus. 

That ends our guide on how to fix the error code 400 on Discovery Plus. If you have questions, please drop a comment below, and we’ll do our best to help. 

If this guide helped you, please share it. 🙂


  • John Sixto

    John is a staff writer at Saint and comes from a SAP ABAP development background. He has a Bachelors in IT and has been writing since 2018, with over 500 posts published. He loves to build PCs and has a deep curiosity in understanding how different components and configurations work. John spends hundreds of hours at a time, researching and testing the software and apps, before he proceeds to write about it. LinkedIn X (Twitter) Website

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