- Power off your console (if your 3DS is stuck at the extra data screen with a spinning circle, force power off your console by holding the power button down for 15 seconds)
- Insert your SD card into your PC
- Run the MSET9 script:
- Windows: Double-click
mset9.bat
- macOS: Double-click
mset9.command
and enter your password if prompted - Linux: open a Terminal window, cd to the root of your SD card, then type
python3 mset9.py
and press Enter
- Windows: Double-click
- Choose model then press 3 to remove MSET9 and then press enter to close the script
- Choose option below based on if you have a spare SD card or not