How to access BIOS settings in a Tablet PC?

[Exodias3219]

Hello! I have an ONDA V975w Tablet PC. I want to access BIOS settings without booting to Windows 10. I'm thinking of the combinations with the Power Button and the Volume Keys but I don't want to experiment by myself my Tablet PC also supports OTG so i can plug in a USB type keyboard incase of keyboard input.I already tried the boot to UEFI using windows 10 but I want to know how to enter BIOS without using windows Specs:

OS: windows 10 32bit
Processor: Atom 1.33GHz 4cpus
Memory: 2gb ddr3l
GPU: intel hd graphics approx 1gb memory
I/Os: bluetooth keyboard and mouse

 

[basroil]

For 99% of tablets the BIOS doesn't have user modifiable values of any importance.

That said, most will let you access BIOS by pressing the windows button on the device while starting up the machine (press power+windows ), but you will need to read your manual for exact methods