05-04-2018 10:11 AM - edited 05-04-2018 10:45 AM
Can you please tell us what steps you have taken to look for it so we don't repeat the steps that you have already tried? For example: Vantage or the Support site. Thanks!
I am not employed by Lenovo or Microsoft. I am a volunteer.
05-05-2018 06:57 AM
Welcome to the Lenovo Community amirMIRI !
BIOS version 4WCN26WW is still aavailable at the link below.......
Click here for the README file.
Click here for the BIOS download.