Lenovo ThinkPad X240/X240s BIOS Update Utility 2.28

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Date Added: December 28, 2014 / Release Date: December 19, 2014 / Publisher: Lenovo / File Size: 4.0 MB
OS: Windows 7 32-bit, Windows 7 64-bit, Windows 8 64-bit, Windows 8.1 64-bit

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This package updates the UEFI BIOS (including system program and Embedded Controller program) stored in the ThinkPad computer to fix problems, add new functions, or expand functions as noted below.

Changes in this release version 2.28:

  • Fixed a security vulnerability.
    (Note) If the UEFI BIOS has been updated to version 2.28 or higher, it is no longer able to roll back to the version before 2.28 for security improvement.
  • Added support for the audio AGC function.

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