How to cancel SMS authentication function in online banking payment?

First of all, you can log out online, and the path is: log in to online banking-security center-SMS authentication-change SMS authentication mobile phone number.

Secondly, when opening an account, you can also cancel the SMS notification of bookkeeping at the bank outlet with your valid ID card, master registration card and new mobile phone number. (If the bank is fixed, you can't cancel it if you want to ask for the verification code of the mobile phone. )