1. Open official website, a Jiangsu teacher education platform, or the mobile phone APP, log in to the account, find the options or buttons related to the mobile phone number in the personal information or account setting page, click to enter the page or options for modifying the mobile phone number, and the system will ask the currently bound mobile phone number for identity verification.
2. After entering the correct bound mobile phone number, the system will send you a verification message containing the verification code. You need to enter the received verification code into the verification page of the system for verification within the specified time. After verification, the system will open the option to modify the mobile phone number.
3. Select a new mobile phone number, fill in the relevant information according to the requirements of the system, submit the modification request, and the system will send a verification message to the new mobile phone number again to verify the validity of the new mobile phone number. After entering the SMS verification code received by the new mobile phone number for verification, the system will complete the unbinding operation of the mobile phone number.