https://forum.armbian.com/topic/13992-h96-max-x3-specifics-only/
 put to folder "/lib/firmware/brcm" file bcm4335c0.hcd from:

https://github.com/kszaq/brcmfmac_sdio-firmware-aml/blob/master/firmware/brcm/bcm4335c0.hcd

with name "BCM4335C0.hcd" and reboot. 
