Welcome to TPG Community!
We were able to locate your account using your community details and learned that your NBN service is already active.
However, your router is not communicating to the NBN server.
We've created some articles that will help you with the correct setup.
Let us know how it goes.
You can definitely use your mobile phone, @bellabella6989.
Though based on the result of the line test, your internet appears to be working now.
Should you still require assistance, please don't hesitate to let us know so we can have our Technical team to assist you.