Team WiiUBrU is a collective of Wii U hackers that has been working on the recently released IOSU exploit for Wii U 5.5.x. The exploit that was released a few days ago had been the holy grail of Wii U hacking for a while, but its release did not open all gates. The exploit was initially released “as is” with little to accompany it for the end user. Several people have been working on this, and team WiiUBrU have recently shared their progress.

The CFW redNAND is not there yet for 5.5.x, but “soon”.

WiiUBrU released a CFW Booter yesterday, a tool that will leverage the IOSU exploit to boot redNAND. This tool is great progress, but as the team states, is not useful until the CFW itself is ready. They have however released instructions for people to create a “light” Custom firmware that will allow to confirm the exploit works, with minimal functionality (it lets you dump some files through IOSU access).

There’s a lot in motion and none of this is ready for the “End user”. The WiiUBrU team say their work is publicly available for those who want to try at their own risk, and that they welcome people willing to help, in particular:

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There’s been “rumors” spreading about our team, and some people even go as far as to call this typical developer arrogance/elitism. It is not that. If you know where to look, and you are willing, you can find us, talk with us, test this stuff out. It’s not ready for end users. Don’t blindly run it. If you’re brave and willing to get your hands a tad dirty come talk to us.

And before I say more, our current RedNand progress does not currently allow installation of unsigned tiles. It cannot be used install homebrew titles, only signed ones. It is actively still being worked on! So yes, we have redNand. We have NAND dumps. You could too, but don’t take that as a challenge! Come and chat with us. If you don’t want to get your hands dirty, wait for somehthing official either from us or Salt. Again, we have not cracked title installation so right now RedNand isn’t very useful to the non-developer!

Also, the reason we are not releasing a NAND dumper right now is the backup format is pretty glitchy (dumps fail, writes raw bytes to hardcoded values on SD, ec). Again, if you’re willing, stop on by and work on it with us. Otherwise, this shouldn’t be interesting to anyone.

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And for the hopefully near future, you will also want a 64GB sd card or bigger if you have a 32GB console. You don’t have to worry when we say soon™ cause all the work is already out there if others want to pick it up. The way it should be. We also have no info on a coldboot hack, but if anyone has any suggestions or ideas, hit us up!

Download Wii U 5.5.x IOSU exploit and CFW Booter

You can download WiiUBru team’s work at the source link below. Again, in the current state, this is not useful to the end user, except as a proof of concept

Source: GBATemp, via maxconsole