It is not possible to remove the Battle.net Authenticator from an account with Battle.net Balance

There was a server-side issue downloading a required file.

How to attach an Authenticator to your Battle.net account

Troubleshooting steps for PayU credit card and Pix payment issues

Troubleshooting steps for missing notifications on the Battle.net Mobile App

This phone number cannot be used to complete this operation

You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.

The "Log In" button will not light until complete login information is entered.

There's an error with your payment authorization. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

Battle.net Balance cannot be used to pay for some Blizzard products