Lenovo Thinkpad T490 (20nx) FirmwareLenovo Thinkpad T490 (20qx) FirmwareLenovo Thinkpad T490 (20rx) FirmwareLenovo Thinkpad T490s (20nx) FirmwareLenovo Thinkpad T495 Drift FirmwareLenovo Thinkpad T590 (20nx) FirmwareLenovo Thinkpad X1 Carbon (20qx) FirmwareLenovo Thinkpad X1 Yoga (20qx) FirmwareLenovo Thinkpad X390 (20qx) FirmwareLenovo Thinkpad X390 (20sx) Firmware