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Thanks for your query!
Let me have a look for you, and I will get back to you ASAP.
There is also a new ''TPG Mobile APP'' to help you with various trouble shooting and account issues, via a mobile phone app.https://www.tpg.com.au/download
You are going onto an NBN-FTTC 12/1 product.
Is there an NBN-NTD device onsite along with your modem? there should be 2x pieces of equipment to plug in.
Here is the guide how to set it up.