Nintendo recommends using the SD Association's SD Memory Card Formatter to format any SD cards that will be used with a Nintendo product. Nintendo products strictly adhere to the SD card standard. Instructions on using this tool can be found at the bottom of the tool's page on the SD Association website.

Important: Formatting the SD card will delete all data on the SD card. You will not be able to recover this data. What to do. Nintendo recommends using the tool provided by the SD Association to format any SD cards that will be used with a Nintendo product. Nintendo products strictly adhere to the SD Card standard.

Scroll down the options on the right-hand side and select Formatting Options. If prompted, enter your Parental Controls PIN. Select Format microSD Card, then Continue. The following message will be displayed, “ All data on the microSD card will …

Once the new card has been formatted, continue with the instructions below. Eject the first microSD card, then insert the second microSD card into the slot or reader/writer. Using Windows Explorer ; access the microSD card again. Drag the data from the desktop to the new microSD card, then insert the new microSD card into the Nintendo Switch ...

The following information will be lost after formatting the system memory: All data in the System Memory (including friend list, Notifications, and step count) System Settings data; Built-in software save data; Software update data; Data stored on the SD Card, with the exception of photos and videos that you've recorded, will be invalidated.

Scroll down the options on the right-hand side and select Formatting Options. If prompted, enter your Parental Controls PIN. Select Format microSD Card, then Continue. The following message will be displayed, “All data on the microSD card will be deleted. Data cannot be restored once it is deleted. Continue?” To continue, select Format. The ...

When a microSD card is inserted in the console, it becomes the default save location for downloadable software. Game save data cannot be copied to a microSD card. Can I use multiple microSD cards with my system? We recommend using a single microSD card with your Nintendo Switch console.

Formatting does not allow you to link the Nintendo Network ID to another system. Use the System Transfer option to move the Nintendo Network ID to another system. If the system does not have an Nintendo Network ID linked and is being sold or given to someone else, remove the Nintendo eShop account before formatting the System Memory.

Data (such as software or save data) saved to USB storage media or SD Cards will no longer be usable. Deleting all content and settings will not revert the system software to a previous version. Wii Shop Channel account activity and Wii Points will not be deleted.

Try another SD Card or try the SD Card in another Nintendo 3DS family system. If another SD Card works or the SD Card does not work in another system, the SD Card should be replaced. If another SD Card does not work or the SD Card works in another system, or if another SD Card or system is not available to test, the system and SD Card should be ...