SaveMii Latest version: v1.2.0 (Apr 09, 2017)
I'm not activelly working on this anymore.
This homebrew allows you to backup your Wii U and vWii savegames to the SD card and also restore them. Up to 256 backups can be made per title. Backups are stored in sd:/wiiu/backups.
This is my first time doing Wii U stuff, so please report any issues that may occur.
Thanks:
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Source: https://gbatemp.net/threads/release-sav ... er.466644/