From the best iPhone on the market to the best cheap phone, we've got the best mobile SIM plan combos from Optus neatly laid out for you.

The best phone plans in Australia offer great ... include Amaysim (Optus), Belong (Telstra), Circles.Life (Optus) and Everyday Mobile (Telstra). There are also small mobile providers reselling ...

So in other words, Telstra Optus etc can crank much more calls and data that we use on mobile phones into the network using the more modern versions of the network. So it's in their interest to ...