Check your 2DS model and system version
Back up your SD card contents to a computer
Charge the console fully
Use a compatible SD card
Follow a reputable 2DS homebrew/modding guide for your exact model and firmware
Prepare the required files on the SD card
Install the needed boot/homebrew entry method
Verify the mod is working before making changes
Install homebrew management tools if needed
Keep a backup of your NAND and important files
Update only through trusted, model-specific instructions
Avoid random files or outdated guides
Use the mod only for legal homebrew and backups