What's the difference between SMS service and SMS transfer service? What is SMS transfer service? Does it cost money to open it? How to cancel it after opening it?

SMS service generally refers to SMS notification service, that is, instant notification of account balance changes through SMS. The charge is about 3 yuan per month. There are two ways to charge: monthly deduction and annual fee. Cancel going to the bank However, if the package is deducted first during the year, it is impossible to refund if it is cancelled halfway. The short message transfer business is not common and may belong to the category of mobile banking.