Comment 24 for bug 1785165

Here are testing procedures,

1. Install Ubuntu 18.04 and connect to internet

2. Perform Firmware Update, base on 10-3 (expeted fail due to capsule header issue)
$sudo fwupdate -a {guid} 1AUOK.bin
$sudo efibootmgr (check boot entry, next boot is create or not)
$sudo reboot
It failed to do firmware update.

3. Setting software for proposed version
Software & updates -> select Download from "Main server"
Software & updates -> check "Source code"
Software & updates -> Developer option -> Pre-released updates

4. update fwupdate to version 12-3
$sudo apt update
$sudo apt install fwupdate (make sure fwupdate update to 12)

5. Get firmware update GUID
$sudo fwupdate -l --find the guid for firmware update

6. Perform Firmware Update
$sudo fwupdate -a {guid} 1AUOK.bin
$sudo efibootmgr (check boot entry, next boot is create or not)
$sudo reboot

Confirmed firmware is successful updated by fwupdate 12-3 packages.