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Once finished, press any button to let BootMii verify the written data against the chip to ensure zero corruption.
Use the GameCube controller (or Power/Reset buttons on the console) to select the Options menu (icon with gears).
Go to the Gears icon, select the icon (red arrow pointing from SD card to chip), and follow the prompts.
To download pre-made NAND backup files:
: The actual image of your Wii's internal memory (exactly 528 MB).
If your console displays a black screen immediately upon power-up, does not read controllers, and cannot boot BootMii, the system cannot load its operating files.
You will see two critical files on the root of your SD card:
Understanding Wii NAND Backup Files: A Complete Guide to Protecting Your Console Wii Nand Backup Files Download
Navigate to the gears icon (the fourth icon on the right) and press Reset .
Let the process complete fully. Do not touch the console or power cables until it is finished. Frequently Asked Questions
Understanding how NAND backups work, how to create them, and why you should never download someone else's files is critical for safe Wii modding. Why You Cannot Download a Wii NAND Backup
Copy your personal nand.bin and keys.bin back to the root of your FAT32-formatted SD card. Insert the card into the Wii and launch . Go to the Gears/Options icon. This public link is valid for 7 days
If you are an expert in console repair and possess hardware flashing tools (like a NAND programmer), it is possible to take a "donor" NAND file from another Wii, decrypt it using the donor's keys, and re-encrypt it using your broken Wii's specific keys. This requires solder skills and deep technical knowledge.
The Golden Rule: Why You Cannot Download a Wii NAND Backup Online
: To use a foreign NAND, you must use advanced tools like Ohneschwanzenegger to "format" the NAND with your own console's keys. This is a technical process with a high margin for error. Security and Ethical Concerns