What is the Battle.net Mobile Alerts service?
Battle.net Mobile Alerts is a free optional service that will help you manage your Battle.net account using any text-enabled cell phone with a data plan. By linking a cell phone to your account, you will receive updates and notifications about important security changes to your account. As a Mobile Alerts user, you may also use texted security codes to help prevent unauthorized changes to your account.

How do Battle.net Mobile Alerts help me stay informed about changes to my account?
The Battle.net Mobile Alerts service will generate and send informational text messages to your linked cell phone every time suspicious activity is detected or if important changes — such as password resets or authenticator removals — are made on your account.

What can I do with Mobile Alerts?
Mobile Alerts will allow you to:

Unlock your Battle.net account using your mobile phone.
Remove an unwanted authenticator from your account.
Recover your account name.
Reset your password.

When will I receive texts from Mobile Alerts?
You can disable certain Mobile Alerts texts without removing the service entirely. You'll always receive texts for the following:

Your account is flagged for suspicious login activity.
Your password is changed.
Security features are added to your account.
Security features are removed from your account.

What are security codes?
The Battle.net Mobile Alerts service will alert you of any changes to your account’s security settings. When a change is started, the service will generate and send a unique security code to your linked cell phone via text message. This code will be required to complete the changes.

Where do I enter the security codes?
When you make certain security settings changes on your account, an additional step will ask for your Mobile Alerts security code. Enter the code when prompted in order to proceed with the change as normal.

Can I link my phone to more than one Battle.net Account for Battle.net Mobile Alerts?
No, you may only link one Battle.net account to a single mobile number for Battle.net Mobile Alerts. You will receive notifications and generated security codes at that number for the linked account.

How much does the Battle.net Mobile Alerts service cost to use?
The Battle.net Mobile Alerts service is completely free. Your phone carrier's standard rates for received text messages apply.

How do I set up Battle.net Mobile Alerts for my phone?
First, log into your Battle.net Account Management page. Navigate to Security Options and click Mobile Alerts and Verification. You will then be walked through the setup process.

Eligibility and Limitations

What devices are eligible for Battle.net Mobile Alerts?
Any cell phone in a supported country with a data plan can be used as a Battle.net Mobile Alerts device.

Does the service support advanced messaging systems such as iMessage (iOS) or WhatsApp (iOS, Android)?
The Battle.net Mobile Alerts service is designed to work with a text-enabled cell phone. Advanced messaging systems are not supported

Why do I need to have a data plan to use Battle.net Mobile Alerts?
The Battle.net Mobile Alerts service uses text messages to deliver important information and security codes. In order to work with Mobile Alerts, your cell phone must be able to receive text messages. If you are unsure if you have a text or data plan, contact your phone provider.

What if the country that provides my cell phone service isn’t an option?
The Battle.net Mobile Alerts service is not currently available in all countries. If your phone is registered to a country that is not currently supported, please check back later. The service is expanding and more countries will be added soon.

Troubleshooting

How do I change my Mobile Alerts phone number?
To use Mobile Alerts with a different phone, you will need to remove the currently attached phone from your account and then attach your new number. You can do this from your Battle.net Account Management page.

What happens if I lose my phone?
If you lose the cell phone you've associated with your Battle.net account for Mobile Alerts, please contact usso that we can assist you.

What if I don't receive the SMS verification code due to technical issues?
If you are unable to receive the SMS verification code, please contact us so we can assist you. You may also wish to contact your phone provider to be sure your mobile phone is capable of receiving text messages.

Is there a way to remotely lock the account through Mobile Alerts in case of suspicious activity?
No. If you'd like to secure your account, you may wish to add an authenticator.

How is the Battle.net Mobile Alerts service different from the Battle.net Mobile Authenticator?
Mobile Alerts will provide you with informational messaging regarding the security of your account, while theBattle.net Authenticator is designed to act as a barrier between a would-be compromiser and your account.

Can I use the same mobile device for Battle.net Mobile Alerts and the Battle.net Mobile Authenticator?
Yes, both services can be used on the same mobile device simultaneously