How to Softmod ANY 4.2 and 4.3 Wii [EASY, BEST Tutorial] - YouTube
Instructables.com - Softmod any Wii (Version 1.0 - 4.3)
How to hack/get Homebrew Channel for any 4.3 Wii Easy 2012/2013 HD* - YouTube
Wii Homebrew] Hack Wii 4.3U/E WITHOUT GAME [Wii Softmod] - YouTube
How to Softmod Your Wii (4.3) U/E/K/J : 4 Steps - Instructables
How to Install Homebrew on Wii Menu 4.3 (with Pictures) - wikiHow
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
Unable to update Wii to 4.3e - Wii-Hacking - Wii-Homebrew.com Board