How to Install the Homebrew Channel on the Wii U (with Pictures)
How to Easily Jailbreak Your Old Nintendo Wii
How to Play Wii Games from a USB Drive or Thumb Drive
How To Hack Any Nintendo Wii 3.0 - 4.3 - Homebrew Channel - Letterbomb Exploit - Softwii [HD] - YouTube
After performing a successful connection test on a 4.3U console, this message pops up after agreeing to perform a system update (details in comments) : r/WiiHacks