The Switch 16.0.3 system update was released on May 9, 2023 (UTC). This Switch update was released for the following regions: ALL, and CHN.

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

Additionally, a rebootless system update was released updating NgWord/NgWord2 for 16.0.3 on May 30, 2023 (UTC). Likewise again on June 27, 2023 (UTC).


Official ALL change-log:

  • General system stability improvements to enhance the user's experience.

System Titles

Only SystemVersion and BootImagePackages were updated.

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

RomFs changes:


Only package2 was updated. The kernel was not updated. All KIPs other than FS were only re-built (only difference is GNU build hash).


  • Mutex lock and unlock were added to some SaveData functions which were previously missing them.
    • In particular, this is nn::fs::save::SaveDataFileSystemCore::HasOpenedFiles and nn::fs::save::SaveDataFileSystemCore::HasOpenedEntries.

See Also

System update report(s):

Nintendo Switch System Versions