1. Open the settings application.
2. Enter the "General" option.
3. Find Accessibility and enter it.
4. Find the "Switching Control" option in the auxiliary function, and click Enter.
5. On the switching control page, find the option of "Scheme" and click Enter.
6. Select the page turning option.
7. After the setting is completed, when reading a novel, press the iPhone volume increase button or decrease button to turn pages.
In addition, you can turn it on or off by setting the option of "Volume key page turning" or "Volume key page turning control" to enable the function of volume key reading novels.