If the console crashes at this point, the test has failed.If you do not boot into the regular 3DS HOME Menu (black screen, error screen, etc.), uninstalling CFW WILL BRICK YOUR DEVICE!.You should boot into the regular 3DS HOME Menu (any custom theme is irrelevant).Read the text on-screen and press (A) to continue.Press (Home) to bring up the action menu.Note that, if you had to fix the RTC date and time, you will have to fix the time in the System Settings as well after following this guide.If you are prompted to fix the RTC date&time, press (A) to do so, then set the date and time, then press (A) to continue.If you are prompted to create an essential files backup, press (A) to do so, then press (A) to continue once it is complete.Press and hold (Start), and while holding (Start), power on your device.If you skip this section, you may BRICK your device! The purpose of this section is to verify that the console will boot and that critical system functions, like System Settings and the keyboard, will work once CFW is uninstalled.
If either of these tests has failed, DS mode, DS Download Play, and/or DS Connection Settings may be inaccessible once CFW is uninstalled! You should fix DS mode before continuing.
If your device loads into a “Download software via DS Download Play” menu, the test was successful.Launch the Download Play application ( ).If your console displays the Japanese version of Flipnote Studio, a black screen, or an error message, the test has failed.You should boot into the Nintendo DS Connection Setup menu.Navigate to Internet Settings -> Nintendo DS Connection Settings, then click OK.If you skip this section, DS mode or its functions may be inaccessible until CFW is reinstalled. The purpose of this section is to check whether built-in DS mode applications will continue to work once CFW is uninstalled. Copy safety_test.gm9 to the /gm9/scripts/ folder on your SD card.Copy DSiWareUninstaller.3dsx to the /3ds/ folder on your SD card.Copy the gm9 folder from the GodMode9.
zip to the /luma/payloads/ folder on your SD card
Follow this page to find your upgrade instructions. If you have an older version of Luma, you must upgrade your setup before following these instructions. These instructions will only work on devices with a Luma3DS version of 8.0 or higher.
If you have modified critical system software (such as editing the HOME Menu, unbanning your console, region changing, etc.), uninstalling CFW WILL BRICK your device! Ensure that you follow all sections of this page. Use a save manager to back up any saves for these unsigned (illegitimate) games you care about.
A better idea would be to ask (in English) for help at Nintendo Homebrew on Discord.Īny unsigned (illegitimate) games will be rendered unusable and should be manually removed before starting this process by using the Data Management section of the System Settings. This is never the solution to fix any issues you may be encountering with your CFW installation. This will completely remove CFW from your device, including boot9strap and Luma3DS, for the purpose of restoring the device to stock.