These are the main methods of unbricking your Wii, and the explanations of how they are installed and used. For safety reasons, it's recommended that you stay below the latest firmware unless you're sure of what you're doing..
Installation = Requirements to install.
Requires = Requirements to run.
Possible Improvements = How it could be better.
This is a WIP.
Installation: Requires exploit to run .dol.
Requires: boot2 + SD card slot
Autoboot modchip (DriveKey2.0/WasabiDX)
Installation: Requires a hardmod.
Requires: boot2 + Disc Update + DVD Drive
Possible Improvements: Could autoboot from SD to reinstall WADs instead of relying on an available update.
Installation: ES_DIVerify + NAND Perms
Requires: boot2 + SysMenu + SD card slot/USB drive
Installation: ES_DIVerify + NAND Perms.
Requires: boot2 + SysMenu + Disc Update/SD card slot/USB drive
This is stupid
Ipsa scientia potestas est.
Warning: Piracy is NOT supported. Word your questions carefully.