Wii Nand Backup Files ^new^ Download [RECOMMENDED]

offers a feature called "Dump NAND to MUAND". This copies your system files to your SD card, allowing you to run Virtual Console games directly from the card to save space, though BootMii remains the gold standard for full system recovery.

A soft-brick that can’t be fixed without advanced hardware tools (e.g., a Raspberry Pi Pico or Teensy to reflash via SD card adapter). For most users, this is a permanent brick. Wii Nand Backup Files Download