Warning: Creating a NAND backup can show "bad blocks," which is often normal, but any interruption during the process can damage your console. Conclusion
Most users download these files to set up a virtual NAND in the Dolphin Emulator . This is often necessary for playing games that require specific system files (like Mii Channel data or network certificates) to run correctly.
To understand why people search for Wii NAND files on the Internet Archive, you first need to understand what the NAND actually does. What is a NAND?
"Preserving the Wii's Online Legacy, One Nand at a Time."
: Rare files from Wii RVT-R Reader units used by developers like the IE Institute.