Stability issues are uncommon on the Nintendo Switch, but the current 12.0.3 firmware is one of the rare times when an update causes a widespread bug on the console. Many users report that they get error code 2123-1502 when trying to download or update games from the eShop, which prevents them from downloading software. Nintendo briefly paused the rollout of firmware to fix the bug, but it appears that some users are still experiencing the issue.

Fortunately, there are a few workarounds that can fix error 2123-1502 on your switch.

Check your WiFi network

The first possible solution is simple:

  1. Make sure you are connected to the correct WiFi network under System Settings> Internet> Internet Settings> [connection name] > Connect to this network.
  2. Turn off the switch completely (press and hold the power button for three seconds, then select Power options> Turn off).
  3. Reboot the switch and try the download again.

Clear your cache

If these preparatory steps don’t work, Nintendo Customer Service will suggest clearing your Switch user profile cache to resolve the issue. This will delete your console’s web history, including cookies and saved website logins. However, this will not affect your games, downloaded content, user settings, or saved data.

  1. Go to System Preferences> System> Formatting Options.
  2. Choose “Reset cache.”
  3. Select the profile that you want to reset the cache for.
  4. Select “Reset” to perform the reset.
  5. Repeat for all user profiles on the console.

Use Google DNS settings

Another potential solution that some users are reporting is to change your Switch console’s DNS settings to Google DNS in Wi-Fi settings.

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  1. Go to System Settings> Internet> Internet Settings.
  2. Select your WiFi network from the network list.
  3. Choose “Change settings.”
  4. Scroll down and change DNS settings to “Manual.”
  5. Set up your primary DNS address 8.8.8.8
  6. Put on your secondary DNS address 8.8.4.4
  7. Choose “To save.”
  8. Go back and try the download again.

If that doesn’t work, or somehow new connection problems arise, go back to network settings and change the DNS settings back to “Automatically.”

Try the download again

The final DIY solution is to just try the download again until it works. Some users claim that they successfully overcome error 2123-1502 this way, so give it a try – however, be aware that it only works for this particular download. The same error message will likely appear on other downloads as well.

Again, since the bug is rooted in firmware 12.0.3, these are only temporary solutions. The bug could persist until Nintendo finds a solution and releases another patch.

[Nintendo Life]

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