No wifi on m2u how to

i just install ubuntu using instruction from

i have run command bpi-copy

so when run ip link

  1. lo
  2. dummy0
  3. eth0
  4. tunl0
  5. sit0

when run iwconfig

sit0 no wireless ext dummy0 mo wirrllll

when run lsmod no module

this is my first board. the antrnna is connected.

all right now, i use armbian now.