Lenovo T480 bricked during a firmware update on ubuntu system, light on power button and fan turn on, no screen or HDMI output. Bip bip sound when turn on without RAM.

Brand: Lenovo T480
board No: Et480 nm-b501 (2018)
s/n: Pf-1EQ53J 18/09
Type: 20L5-000WUS
processor type: i5
issue: bricked during a firmware update
requesting: working BIOS.

The 3 attached files are the same DUMP with 3 different chips names for redundancy....