You can only try 3 times within an hour and be locked out. If you keep trying within that 1 hour time out, it times you out for another hour. Wait till tomorrow and try using the app as it's super easy. Here''s how. Also, you can purchase a Voucher and dial 611 to make the payment as well.
How to change credit card on phone app
Download the app from the app store if you already haven’t.
Sign into your app.
When your app opens you’ll be in the My Account tab. You will see a plus button at the bottom left above the My Account tab. Click on it.
Once you’ve clicked on it, go to Payments
The next screen you’ll want to click on Manage Subscription.
The next screen will give you the option to change your credit card information when you click on Manage Payment Method.
There you will be able to enter a new credit card and expiry date. Click on Save and you're good to go.
Created by Chalupa Batman
