Fight. Unbinding a secure mobile phone from the Internet has never happened.

This may be the wrong way to operate. It is recommended to unbind the mobile phone according to the following operation methods. 1. Enter official website, Battle.net, log in to Battle.net account with the modified mobile phone number, click the nickname in the upper right corner of the page, and select "Account" in the pop-up window.

2. Select "Security" on the left of the page.

3. Then find "Protect old recovery account with SMS" on the right page, and click "Update" next to it.

4. Select "Update Number" and click "Modify" according to the page prompts.

5. Click on the expanded list, select the security check verified by security order or SMS security protection, enter the verification code, and then click the "Submit" button below to complete.