Hi,
Here’s my unlocked Asus x99 deluxe bios (version 3902).
It should be ready to go once flushed with USB flashback and the appropriate bios settings from here.
SHA256: 91a4ace8a0e49901a527f002e36b52ff3917b4cb53edba5ba26f87fdd0aee049
Download Link
Edit by Fernando: Thread title shortened and customized