After some time, hacking the Wii U is finally possible. When I owned the original Wii with the old hacks on it, I could back up my games and play the copies from a hard drive. Now, you can do the same thing with the Wii U. Although I typically provide a walk through, I feel like this one isn’t going anywhere for a while. Follow the guide provided below for the steps on how to install Mocha CFW on the Wii U.
Additionally, this next link is worth reading for the FunKiiU software.