Formatting an SD card

The process to format an SD card to FAT32 is different for each operating system.

Choose your operating system

Windows Linux Mac

Optionally, if you have a 3DS with custom firmware, you can instead use GodMode9:

• 3DS:GodMode9 Usage#Format an SD card

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If you do not need a guide for the above SD formatter tools, here are direct links to their pages:

• Windows: SD Association Formatter + guiformat
• Mac: Disk Utility
• Linux: GParted + [dosfstools