How to cancel postal savings card's mobile phone reminder message?

The method of canceling SMS service is as follows: 1. Cancel the service at the business outlets in the province where the account is opened; 2. SMS logout: Edit the SMS "QX" (both uppercase and lowercase) through the bound mobile phone number and send it to 95580 for logout. If your mobile phone number has multiple relationships, the SMS access system will send you the last two digits of each postal savings account, and you will reply "QX"+"space"+"number corresponding to the account" to confirm the unsubscribe from SMS. If you unsubscribe completely, reply "qx"+"space"+"a". You can cancel at any time except 18:30-22:30 by SMS. After logging out, you will receive a short message, which reads as follows: "Hello, your current account informs you that the short message service has been cancelled, and you will not receive such short message reminders again. If you want to restore, please go to the local postal savings bank. Thank you for using the postal savings bank service. "