advanced bios on lenovo yoga pro 7 gen9

[Fireman1]

Hi Team, iam newbie

pls help me to unlock bios to advanced
maybe possible per hotkeys?

I couldn't find a password prompt to unlock it

Yoga Pro 7 14IMH9
SN:YX0A9V0Y
Model:83E2005VGE
Mainboard: LNVNB161216
BIOS Version: N9CN25WW
EC Version: 1.25