Watch Pioneer Add SMS Security Protection 403

Excuse me, do you want to ask the question "How do watch pioneers add SMS security protection"? The steps are as follows:

1, enter the Battle.net platform, and you can see the "Add Mobile Number" button under the account profile.

2. Click "Add Mobile Number", enter the mobile number, and click "Continue". 3. Enter the code we received in the code box, and then click "Submit". 4. After confirming the above operation, the SMS security protection function was successfully started.