Why does iPhoneX send text messages horizontally?

Step: 1. Gently place your finger on the bottom edge of the iPhoneX screen and gently pull it up, and the control center will appear.

2. Click the lock screen icon, and the page will prompt vertical lock: Close.

3, then put the phone horizontally, and the screen automatically horizontally.

4. Finally, open the information icon, and the information will be displayed horizontally automatically, so you can send short messages.

If you want to switch to portrait screen, you can put the phone vertically, then open the control center, click the icon of the small lock, and the page will prompt to lock vertically: open.

Information can be restored to the vertical screen.