How to change the mobile phone number of Alipay "free SMS reminder service"?

Changing the mobile phone number bound by Alipay can automatically change the mobile phone number of SMS reminder service. The specific method comprises the following steps:

1. In the lower right corner of Alipay homepage, find "My" and click "My".

2. In my interface, find the "Settings" option in the upper right corner and click Enter.

3. After entering the Settings page, the first line of the menu bar is Security Settings. Click to enter security settings.

4. In the security settings page, the 1 option is "Mobile phone number", and click to enter.

5. Find the option of "Change mobile phone number" in the page and click "Change mobile phone number".

6. Fill in the new mobile phone number to be changed in the blank, and click "Next" below to finish.