- Extract your save with a homebrew (JK's Save Manager or other)
- Open savedataArc.txt, edit
- Re-import your save with a homebrew (JK's Save Manager or other)
- Edit problems solved, StreetPass encounters, weddings, Island's name, money, and other things
- Edit Mii ( Name, Laast name, level, experience, and other)
- Unlock all items (Interiors, Special foods, clothes, ...)
- Repair save file if something wrong is used
- Remove time travel penality
- Reset StreetPass/SpotPass
https://github.com/Brionjv/Tomodachi-Life-Save-Editor/releases