2. After logging in, in the menu bar above the personal homepage, find the customer service option and click.
3. Under the customer service option, click the online banking security management, and then jump.
4. Click the option of online banking security management, and a drop-down menu will appear. Click the security authentication mobile phone number, and then click Register the security authentication mobile phone number on the right.
In the step of registering the number, you must first select your account, and then enter your mobile phone number. After entering, click the button to get the mobile phone verification code.
6. After clicking this button, a short message will be sent to your mobile phone and the verification code will be displayed. You enter this verification code into this space of the mobile phone verification code, and then click the submit button.
7. So we can bind the mobile phone number. If you change your mobile phone in the future, you can also repeat the previous steps, but in the options of online banking security management, you can choose to modify the security authentication mobile phone number.