How to modify the mobile phone number bound to 12306

Solution:

1. Open the 12306 webpage, then enter the registered account and password to log in to your account. After logging in, click "My 12306" in the upper right corner, My Page , click to open "Account Security" in the menu list on the left.

2. After clicking the account security link, open the account security page, find the "Mobile Phone Binding" option, and then click the "Modify" button behind it.

3. After clicking Modify, the page for modifying the bound mobile phone will open. Here we do not need to verify the previously registered mobile phone number, as long as we enter the new mobile phone number and password.

4. Enter the new mobile phone number to be modified, then enter the login password of 12306 after the login password, and then click the orange confirmation button below. As long as the mobile phone number is entered correctly and the current login password is entered and verified correctly, you can modify it and bind it to a new mobile phone number. After modification, a modification success dialog box will pop up.