Level 1: Cadet

All lights on NBN box on but still using mobile backup

Hi all,
I’ve had a nightmare run with my Telstra NBN - this is hopefully the last in a long line of problems. My NBN connection box was connected as per instructions, and is showing all four lights. However, my Telstra modem is stuck on using the mobile backup mode for some reason. Is there some setting mismatch in the modem or something? I’ve reset both twice now and it still doesn’t work.
Can anyone help on this?


Was this helpful?

  • Yes it was, thank you
  • No, I still need help
Level 23: Superhero
Level 23: Superhero

Re: All lights on NBN box on but still using mobile backup

Id reconmend calling Telstras NBN team on 1800 834 273
For Official Support Chat Now, try the Online Troubleshooter, check for Outages or Raise a Complaint.

Full Disclosure as part of Telstras Social Media Code.
  • I work for Telstra in the following products.
  • Telstra Platinum, Telstra Business Services, Telstra Smart Home, Velocity, Locator and NBN faults.
  • I'm not here in an official capacity, I just like fixing things and respond in my own time when I can.
  • Include "@343GuiltySpark" in your reply to get my attention if you're after me specifically.
  • My opinions are my own and not that of Telstra's, just so we're all on the same page.

Set it & forget it

With direct debit there’s no need to give paying your bill another thought.

Avoid queuing up and never worry about late fees again.

Setup direct debit