I got a wii u yesterday and decided to homebrew it, bought an SD card and a flash drive, followed this guide https://youtu.be/uQbyc5SNkjU since it was up to date. the SD card
Nintendo Wii U Error Code Troubleshooting Guide
How to install Homebrew Channel on your Wii U and Wii – sprout's lucky corner
str2hax - Wii Guide
How to add apps to the Homebrew Channel | Code Donut
How to Install the Homebrew Channel on the Wii U (with Pictures)
Guide] Wii Hacking for Beginners | GBAtemp.net - The Independent Video Game Community
How to Install the Homebrew Channel on the Wii U (with Pictures)
How to Hack Wii U Homebrew & Play Games on Wii U [Full Guide]
Easy Nintendo Wii U Homebrew Channel Hack Guide [5.3.2, 5.4, 5.5.1, 5.5.2, 5.5.3, 5.5.4] | Page 9 | Digiex
str2hax - Wii Guide
Followed wii.guide and now my ancient wii is back up again! : r/WiiHacks