), a backup from one Wii cannot simply be copied to another without specialized tools. Preservationists focus on NAND archiving for several reasons: Brick Protection
To make sense of a NAND archive
If your Wii is bricked (black screen on startup, error 003, or endless health-screen loop), restoration is your only hope. wii nand archive
Just finished archiving my Wii’s ! For those who don’t know, this is a full digital snapshot of the console’s internal memory—system menu, save files, and Miis included. It’s the ultimate "insurance policy" against bricking or hardware failure. ), a backup from one Wii cannot simply