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How To Fix Wii U Error Code 101-0502? Easy Ways

Are you facing a Wii U error code 101-0502? Keep reading this guide to discover what it means and how to solve it. The Nintendo Wii U is a home video game console that emerged after the Wii. Nintendo made it. Many gamers also love handheld consoles like the Steam Deck, Wii, Wii U, and more. These consoles let you play many games, and you can take them anywhere. While playing games on the Wii U and using some console features linked to the Friend service, some users have experienced or are still facing an online error code 101-0502. You will learn what this Wii U error code 101-0502 means and how to fix it in this guide.

What Is Wii U Error Code 101-0502?

When you get the Wii U error code 101-0502, the official Nintendo help page says you can’t use some online features linked to the Friends service. This is because the network ports that this service needs are either closed or banned. Intermittent Service Outages, bad/unstable/slow internet, or old software could bring on this error.

How To Fix Wii U Error Code 101-0502?

To fix Wii U error 101-0502, make sure that all of its services are up and running. If everything is up and running, turn off and on your console and internet device again. Check for problems with NAT types if this doesn’t work. It would also help to change the settings on your router and make sure both the console and the router are running the most recent version.

Verify Services Outage

  • Please go to
  • Choose your region.
  • Check to see if all Nintendo services are running smoothly.

Power Cycle Console And Router

  • You should turn off both your console and the router.
  • Take off all the wires and cables (if you have any attached).
  • For a few minutes, put the devices away.
  • Make sure all the cables are back together to turn the devices on.

Troubleshoot Issues With NAT Type

If your NAT type is too tight, you might not be able to connect to other people online. If both your NAT type and the player’s NAT type are having trouble joining, you might get an error. Figure out what’s wrong and try again. If you need help with NAT type, check out this page.

Update Firmware

Most of the time, this is done automatically so that whenever a new version comes out, your console gets it. You can, however, update the software on your Wii U by hand. Do the following.

  • “System Settings” can be found in the Wii U’s menu.
  • Click and drag the left stick until you find “System Update.”
  • Select “Update” by pressing the “A” button.
  • The procedure will begin once you select the “Update” choice. It might take minutes or hours.
  • Please wait until it’s done, then start any game.
  • Check to see if the mistake is still there by using some online tools that have to do with the Friends service.

Other Solutions To Try

  • Visit this link to attempt to change the router settings (port forwarding).
  • By visiting this link, you can solve NAT problems.
  • By visiting this link, configure Router DMZ.

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Final Thoughts:

We hope this guide was useful. Let us know how this guide works for you! Thank you!


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