1. Log in to the ICBC APP and click on the search bar on the homepage.

2. Enter ICBC Messenger and search and you will see the options that appear.

3. Click the first item to enter.

4. Click "I want to experience".

5. When you enter the page, you can select the card number to be reminded.

6. After selecting, click Next.

7. Select the receiving method and the receiving mobile phone number.

9. After completion, proceed to the next step.

10. You need to pay 2 yuan per month. Click OK to make the payment.