Nintendo Switch is still a popular console in 2022. This might be because of the classic games that you can easily access on the console. In a gaming world where things move very quickly and new versions of stuff are always available, the popularity of Nintendo Switch is still worth saluting. But issues still pop up from time to time, like the error code 2123-1502.

The Switch error code 2123 1502 generally happens due to network issues, especially when you are trying to implement an upgrade. Nevertheless, its occurrence means that you have to fix it before you can enjoy using the console.

How to Fix Error Code: 2123-1502

In this article, we suggest 10 different things you can do to get rid of the Nintendo error code 2123-1502 once and for all. But first, here are some of the reasons the error code happens in the first place.

Causes of Error Code 2123 1502

1. Nintendo Switch somehow goes to sleep while you are downloading an upgrade.

This breaks the connection with Nintendo servers and forces the console to continue to dangle between servers without doing anything.

2. Nintendo Switch firmware is outdated

The error could also come about because the firmware of your Nintendo Switch console is outdated and therefore incompatible with the servers. So, for every upgrade you try to do, you will get the error code 2123-1502 Switch dysfunction.

3. DNS configuration is bad

Another common cause of the 2123-1502 error code is the network configuration problem. This prevents your console network from reaching the Nintendo company servers.

4. Memory and cache system malfunctions

The error code 2123-1502 could also arise from a corrupt cache. In such cases, the console is unable to record or cache the download packets correctly.

How to Fix Error Code: 2123-1502

For each of the identified causes of error code 2123-1502, the following solutions are effective.

1. Restart Nintendo Switch

As we have shown, the error code 2123 1502 can occur as a reaction to many things on your end. However, before you consider implementing a solution such as using a driver updater, you should restart your Nintendo Switch console. This allows the console to forcefully terminate ongoing processes and possible bugs lurking inside it.

To restart your Nintendo Switch, all you need to do is press and hold down the power button for 3 to 4 seconds. During this brief period, the console is supposed to go off. This process is referred to as a hard restart and can be used occasionally without fear of something happening to your console.
After your console goes off, wait for 2 to 3 minutes and put it back on.

2. Restart Download

Another very easy fix for the error code 2123-1502 is to restart the download. Of course, this solution is only viable when you have been able to identify that the progress bar during an upgrade is not moving. When this happens, you need to terminate the console’s connection to the servers and link them up again.

All you need to do to break up the console’s unstable connection to the Nintendo servers is select the cancel option. Once you select this option, the download process is supposed to end. If this process does not end immediately, you can click it again and again.

As a bonus, when you restart the download process, you can also quickly select Download Options under the progress bar. This way, the console can download the needed upgrades without being interrupted by the error code.

3. Check Wi-Fi Connection

The main culprit for the 2123-1502 error code on Nintendo Switch is often the network. There are many things you can do to fix this issue in that case. The most obvious fix is simply to disconnect your router from the console, turn it off, wait for 5 to 7 minutes, turn it back on, and connect it to the console again.

However, if the 2123-1502 error code persists, you may have to check the console network settings to replace the Wi-Fi connection.

To replace the Wi-Fi connection on your Nintendo Switch, do the following:

  1. Start the System Settings of your console and navigate to the Internet tab.
  2. From the options, choose Internet Settings and select the Wi-Fi network that is connected to the console.
  3. Among the three options to Connect, Delete, or check Advanced Settings, choose Delete Settings.

Once you’re done, you can add the same Wi-Fi connection or another and try to see if the problem is solved.

4. Change and Customize DNS Settings

Still on network configurations on your Nintendo Switch, you can also change and customize DNS settings so that the console can more easily connect to the company servers. All you have to do is change the configurations for reaching the servers’ web addresses, and that should fix the Switch error code 2123 1502.

To customize DNS settings to get rid of the error code 2123-1502 on your Nintendo Switch, follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the Internet tab.
  2. From the options, choose Internet Settings and select the Wi-Fi network that is connected to the console.
  3. Select the Change Settings option and choose Manual.
  4. Enter any reliable public DNS of your choosing (the most commonly used is that of Google which is 8.8.8.8 for Primary DNS and 8.8.4.4 for Secondary DNS).
  5. Save the settings with these DNS implemented and restart your console.

Changing the DNS settings this way is often very effective against the 2123-1502 Nintendo Switch error code.

5. Clear Console Cache

As identified earlier, if your Nintendo Switch console is having issues with caching, you will most likely have to deal with the 2123-1502 error code. Thus, as long as you’re able to fix issues of corrupt or half-finished memory caching on your console, the 2123-1502 problem will disappear.

Clearing your Nintendo Switch console cache is easy. All you have to do is follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the System tab.
  2. Navigate to and choose Formatting Options to bring up the Clear Cache option.
  3. Once you select Clear Cache, you will also have to choose the user ID and follow the process to completion.

Once this is done, you will have to restart your console to implement the settings. You can go ahead and do this without worrying about causing any damage to the memory component of your Nintendo Switch.

6. Update Nintendo Firmware

Another common reason Nintendo Switch consoles bring up the 2123-1502 error code is the condition of the firmware. If the console’s firmware is outdated, it may conflict with the specifications of the Nintendo servers. As a result, there would be incompatibility issues and that will eventually end in the 2123-1502 error code.

So, to remove the conflict that arises because of your console’s firmware incompatibility with Nintendo server, you may have to update the firmware to the latest build. To do this, follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the System tab.
  2. Navigate to and choose the System Update option and update install.
  3. Then restart the console once the update is completed.

If you are having trouble using the automatic update option to fix updates for specific applications, there is a manual option for updating applications. All you have to do is follow the subsequent steps:

  1. Start your console and select the application that is refusing to update.
  2. Bring up the menu options for the application using the start button on your controller.
  3. Navigate to the Software Update tab and select Via the Internet.

Once the process is complete, the application will immediately update itself and that might fix the error code 2123-1502 problem for good.

7. Remove Sleep Mode

Another very easy method to get rid of the 2123-1502 error code on your Nintendo Switch is to remove Sleep Mode. This is the best fix to your console falling asleep while you are updating it and then mistakenly breaking the link to the Nintendo servers.

To remove your Nintendo Switch console from Sleep Mode, follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the Sleep Mode tab.
  2. Select the first option that says Auto-Sleep and change it from whatever timer input to Never.
  3. Save these settings and restart your console.

What this new setting does is prevent your console from ever going into Sleep Mode. As a result, you can leave your console to update without fear of it breaking the internet link to Nintendo’s servers.

8. Increase MTU Number

Still related to network problems and their effect on the occurrence of the 2123-1502 error code, you can simply increase the MTU (maximum transmission unit) for the data packet of your network. This is the solution when the network you are using is incompatible with your console.

To change the MTU size, follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the Internet tab.
  2. From the options, choose Internet Settings and select the Wi-Fi network that is connected to the console.
  3. Select the Change Settings option and choose MTU.
  4. Increase the entry to 1500 and save your settings.

Then you can restart your console and check to see if the error code 2123-1502 is still present.

9. Change Console Language Temporarily

Another issue that may be interfering with your console in the form of the error code 2123-1502 is language. Once again, this is closely related to your network and its compatibility with your console. As long as you are able to change the preferred language, you may be able to nudge the settings and allow the network itself clear the issue once and for all.

To change your preferred language on Nintendo Switch, follow the subsequent steps:

  1. Start the System Settings of your console and navigate to the System tab.
  2. Navigate to and choose the Language option and pick a different language from whatever is currently selected.
  3. Once the setting is implemented and you can see the interface displaying the new language, revert the settings to your old language and check to see if the error code persists.

If the error code 2123-1502 is gone, that is good. If it persists, you may have to take drastic measures.

10. Return Nintendo Switch Console to Default

If you have tried all the above-listed solutions and the error code 2123-1502 persists, you may have to revert your Nintendo Switch console to factory settings.

To initiate the factory settings for your Nintendo Switch console, all you have to do is:

  1. Remove your SD card and start the System Settings of your console and navigate to the System tab.
  2. Navigate to and choose the Formatting Options (enter your PIN if asked).
  3. Select Initiate Console and choose Restore Factory Settings from the options that pop up.

And that’s all. The error code 2123-1502 will certainly disappear after you factory-reset your console.

The Nintendo Switch error code 2123-1502 may have given you headaches before. But after reading this article, you should know how to fix it permanently.

 

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