How to change the high-speed rail ticket?

The method for changing the high-speed rail ticket includes the following steps:

Tool: Huawei P20

Operating system: EMUI 10.0.

Operating software: 12306 mobile client

1. First open the mobile client of 12306 and click My Order.

2. After that, in the interface, click the buttons of Pending Payment, Paid, Standby Order and My Ticket, and click the paid button.

3. In the paid order, there is a view details button in the upper right corner of the ticket you want to change, and click Enter.

4. After entering the interface, there are three menus: change sign-in, change sign, refund, and then click the change sign button.

5. Select the train number you want to change in the following interface, and then click the Change button to successfully change the ticket.