Chuwi Lapbook 15.6 BIOS

to: Management
Can u help me. I played into Bios\EFI…
And now not startup at all.
How I Reset EFI BIOS to default?
Or just flashing the SPI programmer now?
My serial number is # L15 Q64G40161201655, Model: CWI530
Which BIOS version is right for me?