After ICBC changed the reserved mobile phone number, there was no text message. What happened?

According to the relevant regulations of ICBC, after the reserved mobile phone number is changed, the SMS reminder service needs to be reopened before it can be used normally. The counter opening process is as follows:

1. Bring valid identity documents and bank cards to the local bank outlets;

2. Fill in a business application form, select "SMS Reminder" in the column of business application, and attach the commonly used mobile phone number to receive SMS;

3. Submit the bank card, original ID card and business application form;

4. Enter the mobile phone number and verification code as required;

5. You can start the SMS reminder service.