I thought I’d try the flash again, because why not.
I got this
sam@debian:~/Desktop/firmware-s9$ sudo odin4 -b BL_G960FXXUHFVG4_CL23733677_QB54197641_REV01_user_low_ship.tar.md -a AP_G960FXXUHFVG4_CL23733677_QB54197641_REV01_user_low_ship_meta_OS10.tar.md5 -c CP_G960FXXUHFVB4_CP21749215_CL23733677_QB49528362_REV01_user_low_ship.tar.md5 -s HOME_CSC_OMC_OXM_G960FOXMHFVB4_CL23733677_QB49528362_REV01_user_low_ship.tar.md5
Fail parse BL_G960FXXUHFVG4_CL23733677_QB54197641_REV01_user_low_ship.tar.md