Hi all,
Having been a customer for many years I am reminiscent of the “sensitivity” and “quirkiness” of the billing system and adding cards. Thankfully it has been smooth and trouble free for years - knock on wood! 
I need to update my CC info - same card but different expiry etc.
I want to confirm the correct/best way to update the CC to minimize any issues.
Should I go with BILLING → TOP UP → Manage my credit of visa debit card → Replace this credit card ?
Thanks!
Yeah, I think you should choose the option to replace the card, as you still want to keep the pre-authorized payment method.
Thanks,
I did the replace and it updated quickly and ATU seemed to remain in place as well. The big test will be for the next auto-top up payment in a few weeks. 
Update: the first auto-top payment after doing the “replace” worked perfectly without any issues. Hurray!
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