We can use the command "fwupdmgr install [--allow-reinstall] file.cab", and a reboot to install it. [it could brick your computer, don't do it unless you have someone to save you.]
We can also use gcab to extract firmware.bin from the cab file. You need to get guid from "fwupdate -l" and then command "fwupdate -a guid firmware.bin" and a reboot can install it. [it could brick your computer, don't do it unless you have someone to save you.]
As replace fwupdate-signed by fwupd-signed, we also need to make sure the command "fwupdate -a guid firmware.bin" is compatiable with fwupd-signed per what I understand.
A firmware download from lvfs is in cab format.
We can use the command "fwupdmgr install [--allow-reinstall] file.cab", and a reboot to install it. [it could brick your computer, don't do it unless you have someone to save you.]
fwupd 1.0.9-0ubuntu2
libfwupd2:amd64 1.0.9-0ubuntu2
There is not libfwupd2-dev package.
We can also use gcab to extract firmware.bin from the cab file. You need to get guid from "fwupdate -l" and then command "fwupdate -a guid firmware.bin" and a reboot can install it. [it could brick your computer, don't do it unless you have someone to save you.]
fwupdate 12-3bionic2 12-3bionic2
fwupdate-signed 1.19bionic2+
libfwup-dev:amd64 12-3bionic2
libfwup1:amd64 12-3bionic2
As replace fwupdate-signed by fwupd-signed, we also need to make sure the command "fwupdate -a guid firmware.bin" is compatiable with fwupd-signed per what I understand.