How to set balance reminder for bank cards bound by Alipay?

The steps for Alipay to set SMS reminders for bank cards are as follows:

1. Log in to Alipay account with a computer, and then click the "Account Settings" button.

2. After the page jumps, as shown in the figure, click the "Phone Settings" button on the left side of the page.

3. After clicking, a picture will appear, and then click the "Open" button behind "SMS Authentication Service".

4. After clicking, the page will jump to the picture. At this point, confirm the mobile phone number to receive SMS. If there is no problem, enter the "Alipay Payment Password" and click the "Open Now" button after entering. At the same time, you will be prompted to charge the opening fee

5. Click to open it now.