Lenovo ThinkPad X280 BIOS 1.14 for Windows 10 64-bit Mar 23, 2018
... Fibocom L850-GL WWAN device (Note) Do not downgrade BIOS to the version before 1.14 with the Fibocom ... by system interrupts when Thundrebolt is disabled in ThinkPad Setup - Security - I/O Port Access About OS Independent BIOS: Although installing a newer BIOS version might add new features, update various components, ... the most commonly used method to flash the BIOS is by creating a bootable USB or CD ...