I applied for a new mobile phone number (Unicom), and now I get business messages from ABC from time to time, but I don't have one at all.

Hello, if you don't have SMS notification service, you will always receive the account change message sent by ABC.

Reason 1: The mobile phone number of other customers may be registered incorrectly during the process of industrial and commercial registration;

Reason 2: It may be that other customers opened the SMS notification service before, and later cancelled their mobile phone numbers, but did not cancel the SMS notification service in our bank. Customers who buy this number again will receive an account change message that has nothing to do with it.