Lenovo ThinkPad X1 Carbon Gen 12
Laptops · Lenovo
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Latest Firmware
Version 1.49
Released
16.9 MB
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Firmware History
1.49
UEFI: 1.49 / ECP: 1.30 - (New) Updated the Diagnostics module to version 04.45.001. - (New) Supported TXT function for fTPM. - (New) Updated PDFW. - (New) Supported new “Firmware Update from Lenovo Cloud”. - (Fix) Fixed an issue where OA3 maker would disappear after BIOS updating via the Lenovo cloud.
Download from Lenovo (opens in new tab)1.48
UEFI: 1.48 / ECP: 1.29 - (New) Updated Secure Boot DBX. - (New) Add Microsoft Option ROM UEFI CA 2023. (Note) DBX and DB are not updated automatically. It is required to perform “Restore Factory Keys” in Secure Boot menu in ThinkPad Setup. BitLocker Encryption must be suspended/disabled before performing “Restore Factory Keys” (Note) Certificate “Microsoft Option ROM UEFI CA 2023” is added to DB only when “Allow Microsoft 3rd Party UEFI CA” is set to On. - (New) Updated Intel UNDI driver. - (New) Updated Realtek UNDI driver. - (New) The condition to display TCO logo becomes stricter. TCO logo will not be displayed on some models. - (Fix) Fixed an issue where FIDO device setting page might be delayed in ThinkShield Passwordless Power-On Device Manager in BIOS Setup. - (Fix) Fixed an issue where PCIe LAN device name might not be displayed correctly in PXE Boot of Boot Menu. - (Fix) Fixed an issue where TCO logo is not displayed when the customized Logo feature is enabled.
Why Keep Your Firmware Updated
Laptop firmware updates cover the BIOS/UEFI, embedded controller, and sometimes trackpad or display controllers. These updates improve battery life, fix thermal throttling, patch security vulnerabilities, and can resolve issues with sleep/wake cycles. Back up important data before updating and keep your laptop plugged in during the process.