Mediacom bill pay app:
You can control anything using the MediacomConnectMobileCare App on your Android or iOS mobile. You can use the app to pay your Mediacom cable and internet bills.
  • Open the app and select Billing from the menu.
  • Then choose to Make a Payment from the drop-down menu.
  • You have the option of paying with a credit card, a debit card, or a bank account.
  • In this option, you can change your billing address. Save the money.
  • Enter the amount that is owed.
  • Choose a date and make your payment.
For more read - https://ctrlr.org/how-to-fix-mediacom-login-error/