How does Apple turn off headset mode?

Take the Apple 7 mobile phone as an example. The method for turning off the headset mode of the mobile phone is as follows:

1. Find the setting options on the desktop of the mobile phone system and click Open.

2. Find the general options on the settings page, and then click Enter.

3. Then slide down on the current page to find the accessibility option, and click Enter.

4. Find the audio generalization option in the list of auxiliary functions, and click Enter.

5. Then click the automatic option on the current page to turn off the headset mode of the mobile phone.