Lenovo ThinkPad T14 Gen 4 (AMD)

Firmware History

1. 1.49

   2026-05-07

   UEFI: 1.49 / ECP: 1.33 - [Important] Enhancement to address security vulnerability,LEN-210696 & LEN212211. - (New) Updated UEFI CA for Lenovo Cloud Server. - (new) Added Microsoft Option ROM UEFI CA 2023. (Note) DB is 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. - (Fix) Fixed an issue that where the default 100 MB ESP partition on Windows cannot upgrade the BIOS. (Note)The utility could not complete the process because the EFI System Partition is too small. A backup FAT32 volume(USB disk) is either missing or too small.

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2. 1.48

   2026-03-11

   UEFI: 1.48 / ECP: 1.33 - [Important] Enhancement to address security vulnerability, LEN-208001 & LEN-209014 & LEN-17903. - [Important] Update F10 diag driver to 4.44.000. (Note) If the UEFI BIOS has been updated to version 1.49 or higher, it is no longer able to roll back to the version before 1.49. - (Fix) Fixed an issue that touchpad is out of work during tool PXECT_EFI run in UEFI shell. - (Fix) Fixed an issue that abnormal shutdown occurs during Hibernate (S4) long-run test on Pluton TPM. - (Fix) Fixed an issue that folder can't be opened by touchpad double click in WiFi Manager in F12 interface.