My device is
Acer Predator Helios 300 PH315-54 760S
BIOS Version: 1.11 using Insyde v6.27 FTT From this link (Product Support | Acer United States)
i7 11800h(4.6ghz all cores overclocked with LM)
I have Already changed 2 variables with gruberx64 to unlock undervolting.
Now i want to unlock bios to access to more settings.
Can provide bios dump and vars