How to Install Super Mario Odyssey NSP Updates on Nintendo Switch
Prepare Files: Place the .nsp update file onto the root or a designated folder (e.g., /switch/tinfoil/) of your FAT32 or exFAT formatted microSD card.
| Error | Likely Cause | Fix |
|-------|--------------|------|
| Unable to start software | Missing or outdated sigpatches | Replace sigpatches in /atmosphere/exefs_patches/ |
| Invalid NSP | Corrupt update file | Re-dump or re-download the NSP |
| Firmware mismatch | Update requires higher HOS | Update Switch OFW+CFW via Daybreak |
| Already installed lower version | Tried to install older update | Uninstall update via Data Management → Delete software (keeps base game) |
| Error 2002-0001 | SD corruption | Run chkdsk on SD or format FAT32 |