@District34 whichever method you're using to access the self-serve site, try the other.
If using app, use desktop or laptop device and select Sign In upper right to account.
If using desktop or laptop, try using PM app for account-related updates.
I've always had success using either one or the other - mostly laptop however.
Oddly enough, I have found that using the Public Mobile app works a lot better than the website itself. Weird eh? So my suggestion would be to go on WiFi, download the PM app, log in, it will send you the 2FA code, enter it manually and then go to the bottom left and press that + symbol surrounded by a circle. Then go to payments, then manage subscription. Just follow from there. Easy as pie.
@District34 Log into your account if it’s on hold make Manual payment or update credit card info if needed . You can also buy payment vouchers and load them *611 to resume services and update credit card later
Update credit card info
In your my account go payment tab >manage subscription >manage payment method or use this link