Bios for unknown model tablet

[Rocmanx654]

I dont known the model of the tablet but the pcba is ij860a31m7dg0mha1701001
Its a z8350
4g ram
64 rom

The main problem its the bios is corrupt and i need to flash it again

[ChuwiESnotactive]

Can you make a picture of the back of your tablet , because by that description is impossible to help

[rafael171]

Holas buenas saludos necesito el software de bios de mi tablet ya que esta bloqueada, espero puedan ayudarme. Le adjunto una fotografia del modelo exacto gracias.