I would suggest you try making payment on the phone by calling 611 from your PM phone.
You can also reach out to https://productioncommunity.publicmobile.ca/t5/notes/composepage/note-to-user-id/22437 to see if they can help you out.
i suggest you close all Browser and do clear cache and cookies for any Browser,
and try open one Browser incognito mode,
or try it for a different Browser and open incognito mode,
how to open Browser incognito mode visit Here link,
how to clear cache and cookies and History visit Here link,
and use a Browser from your computer,is better
use Browser microsoft edge or chrome latest version
and just make sure your Browser is up to date update
sometime is the Browser is not update is give a issue.
how to update your Browser visit Here link,
and Restart your computer, is will help a lot,
and log in and re-entered your credit details,
just make sure your credit card number and your address match the same,
sometime your typing but is a one word or letter or number is a wrong or missing just make sure for it.
How To Update or Remove Your Payment
Follow these steps:
1. sign in to Self-Serve. Once signed in,
2. click on the ‘Payment’ tab,
then scroll to the bottom of the page and select ‘Manage my card’.
you will have the option to either select ‘Replace this card’, or ‘Remove this card’.
You will need to review and confirm this change to your account,
after you Add your credit card go back,
and if can't fix it you need To Contact Customer Support Agent by CS_Agent, and Explain your issue to them can solve your issue, they are nice service Team the will help you 100%.
Here’s How To Contact Customer Support Agent,
Help need to pay my bill but public mobile wont accept my visa debit
@thechunkyknot - payment website can be finicky.
Try opening a tab in incognito mode.
Then, navigate to the Payment TAB, if you have not already done so.
Go to the bottom, left corner of this page and remove or add your card in the next form.
Ensure any billing address matches address that is listed.
Do not include any spaces in the postal code, and use all CAPS here.