Bios Mods -The Best BIOS Update and Modification Source

Full Version: T420 - Has anyone used this BIOS? I might need an unlock....
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It's in German, but if you scroll down to the area in the OP where the green check marks are and look immediately above that then you will see "Mirror - 1.46" and upon clicking it you can download a folder supposedly containing everything to flash the BIOS to unlock Sandy to 1600MHz.

Upon searching for that ROM file while using WinPhlash, however, I cannot find any sort of BIOS file. There are bios.bak, OemSlp20.efi, and FdRecovery.fd files in there.

Am I doing something wrong?