Fix Uma Musume Error 501 (Connection Failed)
28 October 2025

Fix Uma Musume Error 501 (Connection Failed)

Are you trying to launch Uma Musume: Pretty Derby and suddenly get hit by a scary-looking Error 501? Don’t worry! You’re definitely not alone. This error has been bugging many trainers out there. The good news? It’s not that hard to fix. Let’s break it down, nice and easy!

What is Error 501?

Error 501 in Uma Musume usually means your device is having trouble connecting to the game’s servers. This could be a problem with your internet, the servers, or even the app itself.

Before you panic, breathe easy. Your favorite horse girls are still waiting for you. You just need to guide them past this tech hurdle.

Quick Fixes You Can Try First

Let’s start with the basics. Sometimes the easiest fixes work like magic.

  • Restart the game: Close the app, then open it again.
  • Check your internet: Switch between Wi-Fi and mobile data to see if that helps.
  • Reboot your device: Sometimes your phone just needs a quick nap—turn it off and back on!

Still seeing Error 501? Don’t give up yet—there are more tricks to try.

Check the Game’s Server Status

If the game’s servers are down, nothing you do will work—at least not right away. So before tweaking your settings, check if the issue is on their end.

  • Visit the official Uma Musume website
  • Follow the game’s official Twitter account for updates
  • Check apps like DownDetector for server outages

If you find out the servers are down, sit back and relax! Grab a snack, take a break, and check back in a bit.

Clear the App Cache

Sometimes, a messy cache can cause connection problems. Clearing it might fix Error 501 instantly.

For Android:

  1. Open Settings
  2. Go to Apps or App Manager
  3. Find Uma Musume in the list
  4. Tap Storage
  5. Hit Clear Cache

For iPhone:

Apple doesn’t allow cache clearing like Android does. You’ll need to delete and reinstall the app.

Update the Game

If you’re running an older version of Uma Musume, that could be causing the connection issue.

To update:

  • Go to the App Store or Google Play Store
  • Search for Uma Musume
  • Tap Update if it’s available

After the update, launch the game again and see if the error is gone!

Reinstall the App

Still stuck? Time to go full reset. Uninstall and reinstall the game.

Steps:

  1. Delete the app from your phone
  2. Restart your device
  3. Re-download Uma Musume from the app store

Make sure you’ve linked your game account beforehand. You don’t want to lose all your 3-star horses!

Use a VPN

Sometimes the game has regional issues. For example, it might only support certain countries. If you’re not in a supported area, a VPN can help.

How to use a VPN:

  1. Download a reputable VPN app (like ProtonVPN or TunnelBear)
  2. Set your location to Japan or another supported region
  3. Then launch Uma Musume

Just remember: Some VPNs are slow or cost money. Try the free ones first to see if it fixes the issue.

Switch Networks or Use Airplane Mode

Sometimes your current network is just being stubborn. Try switching it up.

  • If you’re on Wi-Fi, switch to mobile data
  • If you’re on mobile data, try Wi-Fi
  • Toggle Airplane Mode on and off for a fresh start

This refreshes your connection and can sometimes bypass Error 501.

Make Sure Background Apps Aren’t Hogging Bandwidth

If you have lots of apps running in the background, your connection may be too slow for Uma Musume to start.

Try this:

  • Close apps like YouTube, TikTok, or Netflix
  • Turn off auto-downloads and syncs in other apps
  • Pause any ongoing software updates

Once your connection is free, try launching the game again.

Check Time and Date Settings

This may sound weird, but if your phone’s clock is off, it might get rejected by the servers!

Here’s how to fix that:

  1. Go to your phone’s Settings
  2. Tap on Date & Time
  3. Turn on Automatic date and time

Now give Uma Musume another try.

The Nuclear Option: Contact Support

If nothing else works, the final solution is to contact the developers. They’ve seen it all.

Go to the official support form on the game’s site or in the app store listing. Provide details like:

  • Your device model
  • Operating system version
  • When the error started
  • What you’ve already tried

The more info you give, the faster they can help!

Final Tips and Reminders

Let’s do a quick recap to help you dodge Error 501 in the future:

  • Always keep your app updated
  • Make sure your internet connection is stable
  • Use a Japan-based VPN if playing from outside supported regions
  • Check for server maintenance days regularly

Your horse girls want to race, and they’re counting on their trainer—YOU!

Conclusion

Error 501 might seem scary, but it’s usually not a big deal. With a little patience and these steps, you’ll be back on the track in no time. Uma Musume is all about speed—but when it comes to fixing bugs, slow and steady wins the race!

Now go! The races await. Fight that error like it’s the final stretch of the GI Championship. Good luck, Trainer!

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