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NBN plan change

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Level 1

I have just switched to the NBN network and sucessfully connected today. Im on the NBN 50Mbps plan. on a non lock in contract. Ive heard that i can change plans, id like to test out the NBN 100Mbps plan, since ive already paid $79 for the 50Mbps plan, the NBN 100 Mbps plan is $99 with unlimitted calls will i have to pay $20 extra to upgrade or the full $99?


Hi plazski


Welcome to TPG Community! 


I can certainly have one of our Accounts Specialists to contact and assist you with your queries. Just kindly provide us with your best contact time & number via PM and I'd be glad to organise a call back for you. 


You may also try the following steps on how to change your plan online:


  • Log in in using your TPG username and password at
  • Under NBN Account Management, click on "Change your Plan"
  • Re-enter your username and password and click "Next"
  • Click the box for "I want to change my NBN plan" and click "Next"
  • Click the speed tier that you prefer (Basic "nbn12", Standard Plus "nbn50", Premium "nbn100")
  • Click the NBN Bundle that you prefer 

IMPORTANT: For the "nbn12", "nbn50" , and the "nbn100", you have the option to include the Oz Talk Home Bundle Add-on for an extra charge of $10 a month. You may tick the box for the Oz Talk Add-on should you decide to include it in your plan.


  • Click "Next" and follow the prompts for the succeeding steps 

You may refer to this link for more information: NBN PLANS


Please let us know should you require further assistance. 


Thank you! 


Level 1a

I'm trying to change my NBN plan, followed your steps but the last stage error :


Unfortunately there was an unexpected error when submitting your registration. 
We apologise for the inconvenience caused. 
Please contact TPG Customer Service on 13 14 23 for further assistance. 
When contacting TPG, please quote this error code: < E:vphone: only_one >


Please advise what's the issue?


Hi @veronicalimks,


Welcome to TPG Community!


Your connection appears to be completely down at the moment and we are suspecting that this is the reason why you are getting an error.


Our initial assessment shows a possible power adapter issue. Can you please check if all cables on the NBN box and the TPG router are properly connected?


Please also check the Battery Backup unit.

Level 1a

I'm not at the house now, so the power is off. But that should not stop me from changing the plan. Is there a email that I can write to effect the change of plan since the online form keep giving me error.


We can have an account specialist contact you tomorrow instead to address this concern. Can you PM us your best contact number and most convenient time to receive a call?


Hi @veronicalimks, we can see that you have been in touch with one of our account specialists who raised the concern to our Escalations Team.


You may receive further updates via email regarding the status of your change of plan request.


Should you need any assistance, feel free to message us. Thank you.