For customers who want to pay their bill or update their payment details, we have created these community articles, which may help in accessing the TPG My Account to process payment online.
Update Credit Card or Direct Debit payment details or Re-try a Failed Payment securely online
Using TPG My Account & Online Account Info
If you're not aware of your account customer ID , username password, you can check the welcome email we have sent when you sign up with the service.
This article may help you as well if there's a need for you to reset the password:
Forgot your TPG account password?
In your case, we have raised the issue to our Accounts Team since you're experiencing errors updating the details online and one of our Account specialists will contact you for assistance.
Should you need further assistance, feel free to search community for help or chat with us at https://www.tpg.com.au/support/contact/ and we'd be glad to assist you.
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