Keep in mind that NAND backup and restoration processes may vary depending on your Wii console's firmware version and the tool you're using. Always follow the specific instructions for your tool and console version.
Install BootMii. If possible, install it as . This provides the best protection. If your Wii is a newer model and only allows installation as IOS , install it that way and ensure you also install Priiloader for extra safety. Step 2: Access the BootMii Menu Insert your SD card into the Wii. Wii Nand Backup Files Download