Hey, I found this. https://community.tpg.com.au/t5/Accounts-and-Billing/ADSL2-to-NBN/td-p/31600   It seems like the Huawei 532D is not compatible for NBN connection. IMO, you can use the supplied TPG-NBN modem/router as it is and use the Huawei as a standalone router, but you may have to change the Huawei's connection type to Automatically Receive IP or Router Only mode.  ... View more