04-18-2018 10:17 PM
lenovo T450S how to downgrade bios from 1.32 version to 1.28 version?
i able to downgrade to 1.30 version but i try downgrade again got this below issue.Please advise.
Reason i downgrade is 1.28 version is stable version for fix the wifi autodisconnect after wake up from sleep mode.
OS : windows 10.
Solved! Go to Solution.
04-19-2018 04:35 AM
It's not possible, as stayed in BIOS readme:
If the UEFI BIOS has been updated to 1.30 or higher, it is no longer able to roll back to the version before 1.30 for security improvement.