Bank cards only open SMS.

No, but it is recommended to turn on the SMS function, because the SMS function will let us know the use of bank cards at any time. At present, there are two kinds of short message service charges: one is regular monthly deduction; Deduct once a year.

I have to apply to cancel the SMS service before I can make a customer service call.

Short message service is the earliest short message service and the most popular short message service at present. Through it, mobile phones can send and receive short messages to each other, and the content is mainly text, numbers or binary non-text data. At present, the length of this short message is limited to 140 bytes.

Short Messaging Service is welcomed by the majority of users for its simple and convenient use function, and it is rapidly popularized. However, it still belongs to the first generation wireless data service, and its content and application are limited by technical standards.

Bank official website-SMS service