Unable to make payment

SAME PROBLEM! (NOVEMBER 10,2018)

Tried every available method and no method is working for me at all and everything is updated! Very frustrating!

Yep, same problem here.

Doesn't work on:

Chrome (fully updated)

Firefox (fully updated)

Brave browswer (fully updated)

Mobile app (fully updated)

Just get the "enter valid bank information" in red. It's definitely valid!

Having the same problem today, card that always worked can't even be filled out , says right away, enter valid nr. I guess my phone will be turned off, called the 611 line lady didnt know. why card dont work. Use card all the time. had same thing happenend last December.

I've now started having the same problem. The stored card that I've been using for years isn't there, and attempting to enter new card information fails with "enter a valid card number" in red. (I've tried multiple cards, and I've verified several times that I typed in the number correctly.) I'm experiencing this bug with desktop Chrome, and with the browser on my phone.

T-Mobile: do you have an estimate for when the bug in your web site will be fixed?

Having this same problem thats only started since T mobile has upgraded their website. have never had a problem in the past. I know the card is valid because i JUST used it at the ATM. I know the number is being entered right and attempted to several times. but still im being told to enter a valid card number. I have tried on both the website and mobile app and having same problem so clearly its not the browser its t mobile having the problem. I only have one card if T mobile wants me to pay my bill they should fix their system

I'm having the same problem: all my saved payment info is gone, and when I try entering routing/account numbers or card numbers, I get a "Enter a valid [card/account/etc] number" message. I tried paying via the app on my iPhone (which has worked every month over the last two years), and paying online (Safari 11.01) without success.
I was finally able to make a payment when I used Chrome (63.0.3239.84), but it's annoying that I can't do it from my phone like always.

Only way to pay them is to call 611 and speak to a live rep. Their systems online and automated are down. They didn’t even have my password correct and I only use two passwords so I know they were incorrect. Amazingly my payment went thru fine with a rep so it makes no sense why the online or phone pay won’t work. Make sure they waive the fee they charge to pay thru a rep.

EXACT same problem today for me as well!  Tried on different browsers, the phone, app, etc. with no luck.  Hopefully we get a response!

I also cannot pay my bill.  I have been trying for 3 days now.  Online I see "Enter a valid card number".  On the phone it says it can't process the payment with the card number I provided.  I am using the same card I've used every single time for the past how many years.  I have tried Chrome, Edge and Internet Explorer.  I have tried using the T-Mobile app on my iPhone, and it gives me the same error.  If T-Mobile wants their money, they need to fix this.

I'm still having issues making payments via cc or checking account online, keeps saying "Enter Valid details", this has been happening for the last several months when they went with new online format. It's frustrating for this is the way I pay my bills, ONLINE.  When are they going to get this bug fixed...customers shouldn't have to keep waiting or deal with these issues when trying to make payments. Keep it simple.  No one seems to understand when I call to get assistance.

It's the programming department...FIX this BUG!!!!