1. A Wii compatible SD card that has atleast 512 MB
1. Launch the Homebrew Channel and press the HOME button.
2. Launch BootMii, and press the "Options" (gears) button.
3. Press the "BackUpMii" (the green arrow) button and a NAND backup will now start. You can skip this by pressing the EJECT button on your Wii, but it is reccommended that you let it run.
- DO NOT TURN OFF THE WII DURING THIS PROCESS
4. Press any button to finish this process. Press the "Back" (arrow) button.