If you planning to upgrade your system BIOS / IFWI follow the below guide
Follow the steps as mentioned:
-
Find appropirate BIOS binary of your system
Example: https://support.lenovo.com/fi/fi/downloads/ds561212-bios-update-utility-bootable-cd-for-windows-11-10-thinkpad -
dd if=n3xur20w.iso of=/dev/<your_ssd>
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Boot from the SSD of step 2.
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Follow instructions to update the BIOS