It might still need firmware, so try
wget http://download.windowsupdate.com/d/msdownload/update/driver/drvs/2014/01/20623393_919a4673931aa789f0b1c3eeafb360b36097894a.cab
sudo cabextract 20623393_919a4673931aa789f0b1c3eeafb360b36097894a.cab -F *.dfu -d /lib/firmware/ar3k
It is two commands, the first goes from wget to 894a.cab
Then shutdown and boot it up
It might still need firmware, so try
wget http:// download. windowsupdate. com/d/msdownloa d/update/ driver/ drvs/2014/ 01/20623393_ 919a4673931aa78 9f0b1c3eeafb360 b36097894a. cab
sudo cabextract 20623393_ 919a4673931aa78 9f0b1c3eeafb360 b36097894a. cab -F *.dfu -d /lib/firmware/ar3k
It is two commands, the first goes from wget to 894a.cab
Then shutdown and boot it up