The setting method for sending text messages for CCB credit card limit increase is as follows:

1. Open the CCB app and click on the arrow in the upper left corner of the page.

2. Next, click Login pointed by the arrow.

3. After logging in, click on the credit card at the bottom of the page.

4. Next, click Message Service Customization.

5. On the page that appears subsequently, click to turn on the message service notification.