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Hi @youngkim71,
Welcome to the Community!
For modifying and or checking any account related information, you may find the below Community articles helpful:
Should you need further assistance, feel free to search community for help or chat with us at https://www.tpg.com.au/support/contact/
Cheers!
Hi @Eddyngo1943,
Please read the response from one of our Community moderators.
Check the community article: Update Credit Card or Direct Debit payment details or Re-try a Failed Payment securely online
Regards,
BasilDV