First of all, welcome to this platform and to our community.
In the first article above, I explained how to bypass the security barrier for Asus motherboards. Did you read it?
To update the BIOS on Asus motherboards, you must use the necessary BIOS MODE UPDATE TOOL application from
HERE
(Except for motherboards with USB BIOS Flashback support.)
During BIOS updates via Asus motherboard and EZ Flash, obstacles such as
“BIOS update failed!”
“Security verification failed.”
“Selected file is not a proper BIOS!”
have been removed, and all explanations are given in detail.