So when I received my my gpd win4 2023, It had a sdcard in the reader. On that card was a bios update to 0.58 tho the official website only has up to 0.56. It was not currently installed so I installed it, alt f5 +reboot opens the bios options up like it should and all seems to be well.
bm16ton/gpd-win4-bios
updated bios newer then download page found on sdcard that came inside my new win 4 2023
Batchfile