Install fwupdate-signed by entering the following commands in the terminal:
sudo apt update sudo apt install fwupdate-signed
Description:
Linux Firmware Updater EFI signed binary
fwupdate provides functionality to update system firmware. It has been initially designed to update firmware using UEFI capsule updates, but it is designed to be extensible to other firmware update standards. . This package contains a version of the fwupdate binary signed with Canonical's UEFI signing key.
Version: 1.18+10-3
Section: utils