What should I do if my mobile phone number is changed when logging in to Traffic Control 12123?

After the mobile phone number is changed, how to complete the login mobile phone number and the mobile phone number change in the motor vehicle and driver's license file information on the "Traffic Management 12123" mobile App? Many car owners and drivers register on the Internet platform () The mobile phone number used when using the "Traffic Control 12123" mobile APP is different from the mobile phone number in the motor vehicle and driver's license files registered with the public security traffic control department. The mobile phone numbers in the motor vehicle and driver's license files are mainly used by the public security and traffic control departments to push various notification information to car owners and drivers; the mobile phone numbers of users registered on the Internet platform and the "Traffic Control 12123" mobile APP are used for processing through the above two platforms. SMS verification and information prompts are carried out during business. After registering and logging into the Internet platform or mobile software with your real name, you can view or receive prompt information on your vehicle and driver's license inspection, verification, expiration and renewal, and handle more than 100 items online. Public security traffic control business and enjoy consulting services. The majority of car owners and drivers can use different mobile phone numbers to receive public security traffic control information and handle various vehicle driving control services. When individual users change their registered user mobile phone numbers through the Internet platform or the "Traffic Control 12123" APP, they do not need to simultaneously change their motor vehicle and driver's license files. The mobile phone number in your name; if you change the contact information of the mobile phone number of your driver's license or motor vehicle, the mobile phone number does not need to be consistent with the mobile phone number of the user account. ●Change the registered mobile phone number of the Internet platform and "Traffic Management 12123" mobile APP. To change the registered mobile phone number of the Internet platform and "Traffic Management 12123" mobile APP, you can choose the above two platforms for self-service operation: First, log in to the "Tianjin Public Security and Traffic Management Bureau" "Traffic Safety Comprehensive Service Management Platform ()", click "My Home Page" in the upper right corner and enter, select the "User Mobile Phone Number Change" option in "User Information Management", and then click "Check Original Mobile Phone Number--Original Mobile Phone Number" Steps such as SMS verification code--enter new mobile phone number--enter new mobile phone number SMS verification code" and other steps will make the change successful; The second is to open the "Traffic Management 12123" mobile app and click "Mobile Number" on the "My" page in the upper left corner. " option, click the mobile phone number option to enter the mobile phone number change page, follow the prompts to choose "Mobile phone SMS verification code authentication" or "Real person authentication", and then proceed in sequence "Original mobile phone number SMS verification code - Enter new mobile phone number - Enter new mobile phone number SMS verification code" and other steps. ●Change the contact information of a motor vehicle under your personal name. To change the contact information of a motor vehicle bound under your personal name, you can use the following three methods: First, log in to the "Tianjin Municipal Public Security and Traffic Management Bureau Traffic Safety Comprehensive Service Management Platform ()" and click on the machine Motor vehicle business → Change contact information Enter the motor vehicle contact information change business. After the user confirms that the vehicle information is correct, click the "Modify Information" button to modify the contact information of the motor vehicle. The modified content specifically includes: mobile phone number, email address, postal code, and contact address; The second is to open the "Traffic Management 12123" mobile app. , click "Change Motor Vehicle Contact Information" in "Motor Vehicle Business", follow the prompts to fill in the vehicle license plate type, license plate number and other relevant information to complete the change; third, dial "12123" voice phone to make the change. ●Change driver’s license contact information To change the driver’s license contact information in the public security traffic control department file, you can open the “Traffic Control 12123” App, click “Change Driver’s License Contact Information” in “Driver’s License Business”, read and agree to the “Business Instructions” Then, follow the prompts to fill in the new mobile phone number and other information, as well as the verification code received by the new mobile phone number, and the change can be completed.