I updated my Wii to 4.2U (don't ask why, I just did). Since I have a WiiKey v1 in there, I didn't care. Of course I then wanted to play NSMB. I used bannerbomb to install HBC and BootMii (as boot2). I backed up my NAND and then trucha signed IOS36 (downgrade 15, patch, restore 15). I then loaded...