Did you have a problem disabling the internal wifi? As Sam already mentioned, you need to remove the dhd kernel module, or better still blacklist it:
echo "blacklist dhd" | sudo tee /etc/modprobe.d/blacklist-dhd.conf
then reboot. Job done.
Did you have a problem disabling the internal wifi? As Sam already mentioned, you need to remove the dhd kernel module, or better still blacklist it:
echo "blacklist dhd" | sudo tee /etc/modprobe.d/blacklist-dhd.conf
then reboot. Job done.