5.5.5

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5.5.5 update
WiiUDrawing.png
Date history
Release dateUSA Flag.png March 1, 2021

JAP Flag.png March 1, 2021

EUR Flag.png March 1, 2021
Version.bin version608 (0x260)
Changed OSOSv10
Links
Wiimpersonator log (U)
Ninupdates log
Version History
Preceded by5.5.3
5.5.4 (PAL only)|5.5.3]]
5.5.4 (PAL only)]]

The Wii U 5.5.5 system update was released on March 1, 2021. This was released in Europe, North America & Japan.

Changelog

Official USA changelog:

  • Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience

System Titles

VersionData and the OS (OSv10) was updated.

VersionData

5.5.4 -> 5.5.5

OSv10

Almost all RPL files were updated, it's still unsure if there're other modifications than the build dates.

The IOSU image was also modified, only the IOS-NSEC section has been modified.

A SSL verification callback was updated (the function @ 0xE1006970), the reason is still unclear.