State to Dodo that you wish to seek a refund based on the usable data left on your account.
Mention that the service is slow, unresponsive 3G broadband AND you will complain to the TIO if they don’t refund (complain anyway)
Also state that you have previously contacted their technical services, tried differed hardware, different location but all to no avail.
If they don’t not contact back in two days, contact them by phone and go through the standard loop of tech support, followed by escalation. Finally state that you will require a refund for the crap service.
They will eventually credit back a refund and in 10 minutes your modem will be – no service. Bye bye 3G Dodo aka Optus Shite.
The rest is pretty simple, just the usual extraction., ./configure, make, sudo make install. Pay attention to the ./configure and make processes, if there is anything missing required, check or investigate.
You will need to put you wireless card into monitor mode, use airmon-ng for this.
You will also need to establish a good, solid signal between the AP and you radio, if you cannot then it will wont work very quickly or at all.