2. At this time, we can double-click the home button and press the home button below or the home button above the white dot. Press twice and a list of recently used applications will appear below.
3. After this interface appears, move the recently used application to the right with your finger, or move it to the right, and the music playing and screen locking setting buttons will appear.
4. By default, the left locking vertical screen is closed, which is why the sign of locking vertical screen is not visible on the home screen. We just need to click this button, and then the vertical screen is locked.
5. After the setting is completed, I now look at the main screen interface, and a lock vertical screen sign appears next to the battery icon. If you need a horizontal screen in some cases, just remove it.