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How do you fix the Nintendo error code 005-4270?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The Nintendo error code 005-4270 is a general error code that indicates a problem with the Wii U's internet connection. This error code can happen for a number of reasons, including a weak or unstable internet connection, a problem with the Wii U's network settings, or a problem with the Wii U itself. If you are getting this error code, it is recommended that you check your internet connection and make sure it is stable. If your internet connection is stable, then you should check the Wii U's network settings to make sure they are correct. If you are still getting the error code after checking these things, then there may be a problem with the Wii U itself and you should contact Nintendo for support.

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1. Restart the game

To restart the game in order to fix Nintendo Error Code 005-4270, you will need to:

  1. Unplug the Nintendo 3DS system from the wall
  2. Hold down the power button until the Nintendo 3DS system powers off
  3. Hold down the power button until the Nintendo 3DS system powers on again
  4. Wait until the Nintendo 3DS system finishes booting up
  5. Connect the Nintendo 3DS system to the internet
  6. Enter the system settings
  7. Select "System"
  8. Select "Restart System"
  9. Select "Yes" to restart the system

2. Power off the console and power back on

-First, power off the console by pressing the power button on the front of the system. -Next, remove the power cord from the wall outlet and disconnect the system from the TV. -Now hold down the reset button on the front of the system for about 10 seconds. -Replace the power cord and reconnect the system to the TV. -Press the power button on the front of the system to power on. -If the problem persists, contact Nintendo Customer Service.

3. Delete the game and redownload it

  1. On your Nintendo Switch console, go to the System Settings.
  2. Select System Settings again.
  3. Select Safety Features.
  4. Select the Delete System Data button.
  5. Select Yes when asked to confirm.
  6. Select the Redownload System Data button.
  7. Enter your Nintendo account information.
  8. Select the Download System Data button.
  9. Select the Select All button.
  10. Select the Delete System Data button.
  11. Select Yes when asked to confirm.
  12. Select the Redownload System Data button.
  13. Enter your Nintendo account information.
  14. Select the Download System Data button.
  15. Select the Select All button.
  16. Select the Delete System Data button.
  17. Select Yes when asked to confirm.
  18. Your Nintendo Switch console should now restart.

Still not working? maybe try one of these options:

  1. Contact Nintendo customer support.