RSS CFW Update help

Thread starter GBATEMP
Start date Oct 6, 2026

GBATEMP

Member

Oct 6, 2026

Hi,

I haven't updated my switch in a while. I am/was on Firmware 19.0 so I thought I'd update my Hekate, Atmosphere and Firmware at the same time. I grabbed the latest HATs package (HATS-2026-09-27-a1129f2) and Firmware 23.0.0. I'm now getting an "Unknown PKG1 Version / HOS Version not Supported" error. Same as this thread: https://www.reddit.com/r/SwitchPira...known_pkg1_version_hos_version_not_supported/

I only updated the firmware on the SYSMMC-CFW side. My...

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RSS CFW Update help

GBATEMP

Member

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