1. Open the CITIC Bank client on the mobile phone desktop.
2. After opening the client, click on the top left corner of the page.
3. Next, click the login indicated by the arrow.
4. After logging in, click the credit card indicated by the arrow at the bottom of the page.
5. After entering the credit card page, click the SMS notification service indicated by the arrow.
6. On the subsequent page, click Open SMS Notification.