Tools: mobile phone: Xiaomi 6plus, system: MIUI 1 1.0.
1, turn on the dialer of Xiaomi's mobile phone, as shown in the figure.
2. Then we type 12306 to make a call, as shown in the figure.
3. Press "1" to represent passenger service, as shown in the figure.
4. Press "2" to represent freight service, as shown in the figure.
5. Press "3" to represent luggage parcels and small express delivery, as shown in the figure.
6. Press "4" to represent smooth railway operation and frequent passenger service, as shown in the figure.
7. Press "5" to represent insurance services, as shown in the figure.
8. Press "6" to represent the box trading service, as shown in the figure.
9. Press "7" for special food reservation, as shown in the figure.
10. To connect to the mobile phone, we press 1, then wait for it to read from the number 1 to the number 9, and finally read the number 0. When we read 0, just press 0 to connect to the manual, as shown in the figure.