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The Switch 3.0.1 system update was released on July 31, 2017. 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>.


Official ALL change-log:

  • General system stability improvements to enhance the user's experience, including:
  • Addressed an issue in which the remaining battery charge can't be displayed accurately
  • If the system's battery power display suddenly increases or decreases, it will gradually improve by following these steps.

System Titles

Exactly the following was updated:

  • Every sysmodule, probably only re-encrypted using new key material.
  • Every web-applet.
  • Sysupdate titlelisting-title, browser "shareddata:/", System Version Title, and all FIRM packages.

The creport-sysmodule was rebuilt: only change was the hashid following the "GNU" string.

FIRM packages


Everything under RomFS was updated.

Kernel wasn't updated.

The following firm-sysmodules were updated: FS, boot, and sm. The remaining modules(Loader, NCM, ProcessMana, and spl) were rebuilt: hashid following "GNU" string was updated.


Basically all code changes are related to the new NCA crypto. Key-init function was updated due to the new NCA crypto. Various keyindex values were updated due to the new NCA crypto, for non-NCA and NCA code. A function which returned ncahdr_x206("Crypto Type") was replaced with a branch to the new <get-final-cryptotype> function described here(equivalent to similar changes elsewhere).

Internet Browser

All webapplets were updated, vulnerabilities were fixed. 803/buildinfo/buildinfo.dat contains the following:

 d:2017-07-11 17:51


The bootloader version was changed from 2 to 3.

New keydata was introduced for NCA content, see here.

New keydata was introduced for BCAT containers for indexes 0x10 to 0x1F.

See Also

System update report(s):

Nintendo Switch System Versions