Betwiin

Betwiin is a tool made by bushing of Team Twiizers that will let you convert NAND dumps from one Wii to run on another. It is NAND flash conversion tool for Wii NAND images. It can re-encrypt and re-HMAC the per-console unique parts of a NAND dump from one Wii such that it will run on a second one.

Usage:

• Copy input dump file to input/flash.bin.
• Copy input keys to input/.
• Copy output keys to output/.
• Run betwiin.py, wait several minutes.
• Take output file from output/flash.bin and use as appropriate.

Download: Betwiin
Source: wiibrew