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
The Nintendo Pii U — The Alien Pebble
Electronic Arts Engineer: Wii U Is "Crap"
EA Senior Engineer: 'The Wii U Is Crap' - IGN
Activision CEO Promises Less Crap on Wii - The Escapist
Electronic Arts Engineer: Wii U Is "Crap"
Sega CEO refers to Wii software line-up as 'flood of crap' – Destructoid