9.1.0

The Switch 9.1.0 system update was released on December 4, 2019. This Switch update was released for the following regions: ALL.

Security flaws fixed: yes.

Change-log

Official ALL change-log:

• General system stability improvements to enhance the user's experience, including a solution for the following:
• Resolved an issue where the color animation was not displaying correctly when attaching a Joy-Con controller to the Nintendo Switch console.

See the official China changelog for the China-specific changelog.

System Titles

The following was updated:

• All applets.
• Sysmodules: bcat, friends, nifm, bsdsockets, hid, wlan, ldn, account, ns, nfc, am, nim, erpt, creport, ro, migration, olsc, and ngct.
• SystemData (besides the sysver SystemData): ErrorMessage, BrowserDll, Help, SharedFont, LocalNews, Eula, FirmwareDebugSettings, all BootImagePackages, PlatformConfigIcosa, PlatformConfigCopper, PlatformConfigHoag, PlatformConfigIcosaMariko, and NgWordT.

See Services_API for the new lp2p:m service.

NPDM changes:

• migration: Now has access to srepo:u.
• The following now have access to the new lp2p:m service: qlaunch, LibraryAppletCabinet, LibraryAppletController, LibraryAppletNetConnect, LibraryAppletPlayerSelect, LibraryAppletMiiEdit, all web-applets except for LibraryAppletOfflineWeb, OverlayApplet, and LibraryAppletMyPage.

RomFs changes:

• ErrorMessage: updated
• BrowserDll:
  • "/buildinfo/buildinfo.dat" updated
  • "/dll_0/cairo_wkc.nro.lz4" updated
  • "/dll_0/libfont.nro.lz4" updated
  • "/dll_0/oss_wkc.nro.lz4" updated
  • "/dll_0/peer_wkc.nro.lz4" updated
  • "/dll_0/webkit_wkc.nro.lz4" updated
  • "/dll_1/cairo_wkc.nro.lz4" updated
  • "/dll_1/libfont.nro.lz4" updated
  • "/dll_1/oss_wkc.nro.lz4" updated
  • "/dll_1/peer_wkc.nro.lz4" updated
  • "/dll_1/webkit_wkc.nro.lz4" updated
  • "/message/": Various data updated.
• Help: "/safe.htdocs/html/USen/index.html" updated, "/safe.htdocs/html/USen/page_02.html" updated, "/safe.htdocs/html/USes/index.html" updated, "/safe.htdocs/html/USes/page_02.html" updated, "/safe.htdocs/html/USfr/index.html" updated, "/safe.htdocs/html/USfr/page_02.html" updated
• Chinese and Korean dictionaries: "/Iwnn/ZH/TW/bopomofo/keisei/njtan.ad1" updated, "/Iwnn/ZH/TW/bopomofo/njtan.a" updated, "/Iwnn/ZH/TW/bopomofo/no_keisei/njtan.ad1" updated
• SystemVersion: All files updated.
• LocalNews: "/message/CNzhT/localNews.msbt.szs" updated, "/message/revision.txt" updated, "/message/TWzh/localNews.msbt.szs" updated
• FirmwareDebugSettings/PlatformConfigIcosa/PlatformConfigHoag/PlatformConfigIcosaMariko: All files updated.
• RebootlessSystemUpdateVersion: All files updated.
• NgWordT: All files updated.
• qlaunch applet:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/qlaunch_action.bksnd" updated
• auth applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• cabinet applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• controller applet:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/controller_action.bksnd" updated
• dataErase applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• error applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• netConnect applet:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/netConnect_action.bksnd" updated
• playerSelect applet:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/playerSelect_action.bksnd" updated
• swkbd applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• overlayDisp applet: "/lyt/MiniSet.szs" updated, "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/TWzh/overlayDisp.msbt.szs" updated
• photoViewer applet: "/message/EUes/common.msbt.szs" updated, "/message/EUfr/common.msbt.szs" updated, "/message/EUit/common.msbt.szs" updated, "/message/EUpt/common.msbt.szs" updated, "/message/Ocean.msbp.szs" updated
• LibAppletOff/LibAppletWeb/LibAppletShop/LibAppletLns/LibAppletAuth: "/buildinfo/buildinfo.dat" updated, "/.nrr/netfront.nrr" updated
• "starter" application:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/starter_action.bksnd" updated
• myPage applet:
  • "/message/": Various data updated.
  • "/sound/myPage_action.bksnd" updated
• maintenance applet:
  • "/lyt/": Various data updated.
  • "/message/": Various data updated.
  • "/sound/maintenance_action.bksnd" updated

BootImagePackages

RomFs changes: all files updated.

Secure Monitor

Secure Monitor was updated.

• System register configuration now sets CPUACTLR_EL1.
  • This sets CPUACTLR_EL1 to the same value as in KernelLdr, previously this code only configured CPUECTLR_EL1.

Warmboot

• The firmware revision magic was changed from 0x16B to 0x18C.

<check back for more diffs later>

FIRM Sysmodules

FIRM sysmodules were updated. Specific diffs available below:

FS

The only difference is that nn::crypto::VerifyRsa2048PssSha256 now memsets the decrypted signature buffer to zero after extracting the hash.

Loader

The only difference besides GNU build hash update is that the Anti-Downgrade arrays were updated to the new title versions.

See Also

System update report(s):

• [1]