Voyo I7 plus(ks26) BIOS issue, don't work WiFi, touchscreen

Hi Team.
I have Voyo I7 tablet, which was bricked by BIOS update. After that I found BIOS on:
http://www.rosefix.com/forum.php?mod=vie…&highlight=voyo
And flashed it successfully, device works, but without WiFi, touchscreen.
Maybe someone have such type of tablet or can give me some information how to resolve this issue?
Thank you.