What should I do if the phone number of Traffic Management 12 123 is changed?

1. Open traffic management 12 123app. After entering the home page, find mine in the upper right corner, and then you can enter the personal center page.

2. At this time, you will enter my information page, and then you can see the identity information left during the registration period, and then select the mobile phone number for SMS verification.

3. Enter the verification code before selecting verification, then enter a new mobile phone number, and then do another verification. After the verification is successful, the modification is completed.

Or you can change it directly at the DMV. According to the Code for Handling Motor Vehicle Driving License Business, if the number is inconsistent with the reserved number due to changing the number or stopping the machine, you need to bring your ID card and motor vehicle driving license. , then go to the service hall of the vehicle management office and fill in the change application form. You will receive SMS notification after the vehicle management office has successfully reviewed it.

If the original number can't accept SMS, you need to make a user information complaint:

1. Click on the user information to make a complaint. The reason for the complaint is that "the original mobile phone number has not been used for the time being", then fill in the new mobile phone number and click Next for face recognition verification.

2. After the face recognition is successful, perform SMS verification, click to get the verification code and enter it, and then click Next;

3. Take the uploaded photos as required, and click Submit;

4. Review after submission. After the approval, the original mobile phone number will be cancelled, and the new mobile phone number needs to be bound and verified by SMS.

Legal basis:

People's Republic of China (PRC) cipher

Article 1 This Law is formulated in order to standardize the application and management of passwords, promote the development of cryptography, ensure the security of networks and information, safeguard national security and social public interests, and protect the legitimate rights and interests of citizens, legal persons and other organizations.

Article 2 The term "password" as mentioned in this Law refers to technologies, products and services that encrypt, protect and authenticate information by using specific conversion methods. Article 3 Cryptography work adheres to the overall concept of national security and follows the principles of unified leadership, graded responsibility, innovation and development, serving the overall situation, managing according to law and ensuring security.