Unable to make payment

quekboonking@gmail.com

    I want to pay my bill but your system does not want to accept it. Your system shows "Enter a valid card number" or "Enter a valid routing number" for the cards/accounts that have been used for a long time to pay T-Mobile bills without any problems before. That looks to me like a bug in your web/payment system. Please let me know how to overcome this issue.

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