Barrr

ok my findings root@rk3318-box:/boot# cat *Env.txt verbosity=1 bootlogo=true console=both overlay_prefix=rockchip fdtfile=rockchip/rk3318-box.dtb rootdev=UUID=a3e848f3-8d54-412d-9184-5bc40ab76686 rootfstype=ext4 overlays=hdmi-audio rk3318-box-cpu-hs rk3318-box-led-conf1 rk3318-box-wlan-ap6334 usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:u root@rk3318-box:/boot# sudo ln -s /usr/lib/firmware/brcm/brcmfmac4334-sdio.bin /usr/lib/firmware/brcm/brcmfmac4334-sdio.rockchip,rk3318-box.bin ### it was missing according the log sudo rm /usr/lib/firmware/brcm/brcmfmac4334-sdio.rockchip,rk3318-box.txt ### this one did not do the job , you could ofcourse backup ... sudo wget -O /usr/lib/firmware/brcm/brcmfmac4334-sdio.rockchip,rk3318-box.txt https://pastebin.com/raw/00gLSkKS ### the nvram hosted in this topic after the reboot the wifi worked fine for me