1, download the traffic control software 12 123, and click My to enter my personal center.
2. Click on my information, select the mobile phone number change, and verify the original mobile phone.
3. Just verify the new mobile phone.
You can go to the traffic police supermarket, the vehicle management service station in the second-hand car trading market or the vehicle management office to go through the change procedures. Just bring your ID card and driving license or go to the online vehicle management office.
To update the mobile phone number information of vehicle registration, you can follow the following steps. First of all, contact the local vehicle management department or traffic management bureau to understand the required documents and procedures. It is usually necessary to fill in specific forms and provide relevant identification documents and vehicle registration certificates. Secondly, make sure that you have a new mobile phone number ready and activated. Then, fill in the required forms as required and provide copies of the necessary documents. Please make sure that the information filled in is accurate and check it carefully before submission. Finally, submit the completed form together with a copy of the document to the relevant department and pay any related expenses as instructed. Please note that specific procedures and requirements may vary from region to region. It is recommended that you carefully read the guidelines of relevant departments or consult professionals before operation.
Legal basis:
Provisions on motor vehicle registration:
Chapter I General Principles
Article 5 The motor vehicle management office shall use the national unified computer management system to register motor vehicles, and issue motor vehicle registration certificates, license plates, driving licenses and inspection marks. The database standard and software of the computer management system are unified nationwide, which can completely and accurately record and store the whole process of motor vehicle registration and the information of the handling personnel, and can transmit the relevant information to the national public security traffic management information system in real time.