Thinkpad update firmware on Linux (X1 extreme/P1 gen2)

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Originally published at: https://www.cyberciti.biz/faq/thinkpad-update-firmware-on-linux-x1-extreme-p1-gen2/

I have ThinkPad P1 Gen 2 or X1 Extreme 2nd Laptop. Can I easily Install ThinkPad firmware updates on Linux using GUI?