20.0.1

The Switch 20.0.1 system update was released on May 2, 2025 (UTC). This Switch update was released for the following regions: ALL.

Security flaws fixed: <fill this in manually later, see the updatedetails page from the ninupdates-report page(s) once available for now>.

Change-log

Official ALL change-log:

• Fixed an issue where Error Code: 2206-1015 sometimes occurred when restarting the system after updating to system version 20.0.0.
• If you're encountering the error, update your Nintendo Switch console in Maintenance Mode.

System Titles

• The following titles were updated:
  • Sysmodules: ns.

NPDM changes (besides usual version-bump): none.

RomFs changes:

• SystemVersion: All files updated.

IPC Interface Changes

No changes.

ns

• The only changed func was L_dce70, prev ver @ L_dce70.
  • The code at 0xdd0c8 was changed from if (w27) {...} to if (w27 & 1) {...}
  • Error handling adjustments, etc.

See Also

System update report(s):

• [1]