Are you having issues trying to run Atmosphere on your Nintendo Switch or upgrading it to the latest version?
Maybe you are seeing the Error Code 2001-0123 when you are trying to do it.
In that case, there is no need to worry as many players have faced this issue all over the world and have successfully solved it by following our extensive guide.
Nintendo Switch is one of the leading competitors when it comes to the world of handheld consoles.
Due to its vast number of games in the e-shop and ease of use, it has become a much-loved console by many.
Atmosphere is used to mod Switch so that players can play Homebrew games in it.
In this article, we will be discussing the reasons why you might be seeing the Error Code 2001-0123 in your Atmosphere and what you can do to fix it.
What Are The Reasons For Atmosphere Error Code 2001-0123?
If you are seeing Error Code 2001-0123 while booting Atmosphere in your Switch or upgrading it to the latest version, then that means the program file shown is not compatible with Atmospgere.
It can also mean that the Tesla Menu is not updated to the latest edition due to which Atmosphere is unable to run correctly.
If you are using Gold Leaf instead of Tinfoil then that can also cause the Error Code 2001-0123.
Whatever the reason is you will be able to solve the Error Code 2001-0123 in your Atmosphere by using our guide.
How To Fix Atmosphere Error Code 2001-0123?
In this section, we will be discussing the fixes that will help you to fix the issue of error code 2001-0123 in Your Atmosphere when you are trying to boot it in your Switch.
1. Delete The Custom Sysmodule
The first fix that you can try is to delete the custom sysmode from your Nintendo Switch.
If it is not compatible with Atmosphere then that would cause issues.
The file should be under atmosphere/contents/420000000007E51A.
Make sure to delete this file and then open your Atmosphere.
2. Update Your Tesla Menu And OVL
Check whether you have updated your Tesla Menu and the ovl to the latest version released.
If you are using an older version then it will not function correctly with Atmosphere.
Make sure you have updated both of these in your switch and you will not see the error code 2001-0123 anymore.
3. Restore emuMMC And SysMMC Via TegraExplorer
Another fix that you can try is to restore emuMMC and sysMMC via the TegraExplorer by following this guide here.
Many users have reported that they were able to solve the issue by restoring the emuMMC and sysMMC when they saw the error message 2001-0123 in their Switch.
4. Delete The Program Shown In Error
The next fix that you can try is to delete the program file shown in the Error message.
You will have to go to the file location atmosphere/contents and specifically delete the program shown in the error message.
After this, you should not be getting the Error Code 2001-0123 in your Atmosphere anymore.
5. Use Tinfoil
If you have been using any other program such as Gold Leaf with Atmosphere then you should stop and only use Tinfoil because Gold Leaf does not work with Atmosphere in which case you will be shown the Error Code 2001-0123.
Make sure that you are using Tinfoil and then open Atmosphere and check whether you are still having the error code.
6. Uninstall And Reinstall Atmosphere
As an alternative solution, you can completely uninstall Atmosphere from your Nintendo Switch and then do a reinstallation again.
Many users have reported that doing this has helped them in overcoming the issue of Error Code 2001-0123 in their Atmosphere.
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