So my Wii U got a system update? But then it didn't? The download manager showed a system update that failed to download (bc of my internet probably) but then I went
Wii U Receives Version 5.5.5 System Update After 2.5 Years of Inactivity
Wii U 5.5.5 Update - Is it Safe to Update my console? - YouTube
Wii U - Wikipedia
Nintendo Wii U version 5.5.4 update appears out of nowhere | Shacknews
Wii U System Update Released; Yes, in 2021 - News - Nintendo World Report