How to inform train tickets and express information by adding a mobile phone?

The following steps can be used to notify train tickets and express information on one plus one mobile phone:

1. Open your mobile app store, download and install the train ticket or express application you use, such as 12306 or rookie wrap.

2. Open the application you just downloaded and log in to your account (if necessary).

3. In the application, find the setting or notification setting option. This may be in different menu options for different applications.

4. In the notification settings, find the "notification" or "push" option. Ensure that this option is enabled.

5. According to your requirements, enable the types of notifications you want to receive. For example, in the application of train tickets, options such as "ticket purchase reminder" and "remaining ticket reminder" can be enabled. In the courier application, you can enable options such as "courier notification" and "receipt reminder".

6. Adjust the sound, vibration and other options of the notification according to your needs. These options are usually located at the top or bottom of the notification settings.

7. Confirm that your settings have been saved, and try to send a test notification to ensure that the settings are correct.

Now, when you receive a new train ticket or express notice, your mobile phone will automatically display the notice. You can click the notification to view the details or take other measures, depending on the settings of your phone and application.

Please note that the above steps are general instructions, and the specific operation may be different according to the different applications you use. It is recommended that you consult the help documentation of the application you are using, or contact the support team of the application for more specific instructions.