How to check that Alipay has opened SMS reminders?

Log in to your Alipay account-click "Alipay Messenger"-click "SMS Reminder (Free)"-enter your mobile phone number and click OK-the mobile phone receives our check code-enter the check code-and start the free SMS reminder service.

If you plan to update your mobile phone number, please unbind your mobile phone first. You can click SMS Reminder (free)-View, cancel the mobile phone binding operation, enter the check code we sent, and click OK. If you want to rebind the mobile phone number, you can follow the method of applying for binding.