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You should be able to extract the BIOS update .fd file with InnoExtract [1] or InnoUnp [2], and then use the BIOS vendor's flashing tools, which are usually available for a number of other platforms, including Linux.

If this laptop has Insyde BIOS, the relevant utility is called "H2OFFT-L" (Insyde H2O Firmware Flash Tool - Linux). In the worst case, you might have to run a tool from DOS.

1. https://constexpr.org/innoextract/

2. http://innounp.sourceforge.net/

I do not know about your specific machine, but Lenovo is pretty good about supporting fwupd, so its worth a try. Install fwupd for your distro and run `fwupdmgr get-devices` to see what on your machine is supported. When I run that, I see System Firmware, thunderbolt controller, UEFI firmware, touchpad, etc etc listed.

I don't have your Yoga, but fwup has worked perfectly for me. That's something Lenovo should be proud of.