Summary
Downgrading the Intel® Management Engine firmware on 3rd party systems can cause system instability and BIOS corruption.
Description
Is it possible to downgrade the Intel® Management Engine firmware?
Resolution
Unless the system/motherboard manufacturer provides a way to downgrade the Intel® Management Engine firmware, this procedure should not be attempted.
To get accurate information about downgrading or updating the Intel® Management Engine firmware, it is recommended to contact the system/motherboard manufacturer because performing these steps may cause system instability and BIOS corruption.