Priority is 0.
The password is the one that gets you in if you login using mobile data.
Have a look at the Dlink system log. There might be a clue.
Does the previous router still work?
What lights are lit on the NBN box?
Hi Jmarsh. What lights are lit on the NBN box?
Does the TPG supplied router still work?
Settings are PPPoE, username with @TPG.com.au on end, and password. Username and password for My Account, not Community username and password. Also, VLAN ID =2 if using FTTC/HFC.