CHuwi Hi10 plus dead Bios

Dual OS Tablet Hi10 plus
1

HI
I have 2 of these CWI527 they have become more or less useless now, so I put UBUNTU on one of them, somehow, and bricked the other one.
Ubuntu boots most of the time but after some boot hangs in a boot loop and I have to enter BIOS again to manually boot to it. Short of discarding these device completely I would give them a new life, If there is a ‘normal’ single boot no android/no windows BIOS available (I know how to program the WinBond CHIP, done that before)
So I’m asking for a normal BIOS or at least a single boot no android hardcoded BIOS.
Is that available?

my devices:
CWI527
SN PQ64 G42161001001 and
SN LQ64 G42161105002

Thx

2
3

Thanks, but that is the standard dual boot BIOS I already have.
I was asking if there is a ‘normal’ single boot BIOS available, without any builtin Android/Windows keys, Like a normal PC, where you install your own OS. A plain old AMI BIOS…