To change your train ticket on your mobile phone, you can follow the steps below:
- Open the official Railway 12306 APP on your mobile phone.
- Log in to your account.
- Enter the “My” or “Orders” interface and find your ticket purchase order.
- Click the “Change” button in the order.
- Select the train that needs to be changed, such as T182 on July 19.
- Follow the prompts to select a new departure date and train number.
- Check the changed ticket information and submit the change request after confirming it is correct.
- The system will display the result of the change, and if successful, you will receive a text message notification.
Please note that there are certain restrictions on ticket changes, such as the same train number, departure date within a certain period of time after the original ticket, etc. If you have any questions, you can call the railway customer service hotline 12306 for consultation.