Battle.net is protected by SMS.

This situation needs to be fed back to the customer service, so that the customer service can provide the mailbox for retrieval.

Battle.net SMS security service can help you manage your Battle.net account. With this service, you can be notified immediately when your account information changes. Any SMS service can be used to receive SMS notifications from Battle.net.

Users can log in to the Battle.net Pass management page to bind their mobile phones and open the SMS security protection service in Battle.net. Battle.net SMS Security Service will send SMS notifications when it detects abnormal activities or changes in important information.

Battle.net SMS Security Protection Service

When the account cannot be logged in and attempts to retrieve it, the service will send a group of short messages containing the verification code, and the user needs to enter the verification code to complete the verification. You need to unlock the Battle.net Pass by SMS, delete the lost secret protection products, retrieve the account name and reset the password through your mobile phone.

Battle.net SMS security protection service is specially designed for mobile phones that can receive SMS. A mobile phone number can be bound to the Battle.net account of SMS Security Protection Service. This service is free. The mobile phone needs to be able to receive SMS before it can use SMS security protection service. If you are not sure whether to open SMS service, please contact your mobile phone operator.