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.
Use the link below to obtain the BIOS in other file formats:
|Supported ThinkPad Systems|
|Supported Operating Systems|
|Summary of Changes|
Please refer to the README file for the following:
The following versions of UEFI BIOS and ECP (Embedded Controller Program) have been released to date.
|2.54||2.54 (H4ET94WW)||2.01 (H4HT51WW)||Current Release|
|2.53||2.53 (H4ET93WW)||2.01 (H4HT51WW)||h4uj09ww.exe
|2.51||2.51 (H4ET91WW)||2.01 (H4HT51WW)||h4uj07ww.exe
|2.06||2.06 (H4ET67WW)||2.01 (H4HT51WW)||h4uj06ww.exe