How to set the sound height of Apple 7?

1. Open the Apple 7 desktop and press the Volume+key to turn it up. You can see that the indicator light on the screen has changed and the sound has become louder, as shown in the figure below.

2. You can also enter the Apple 7 phone settings interface, find the sound, and click Enter, as shown in the figure below.

3. After entering the sound interface of Apple 7 mobile phone, you can see that the sound is in a very small state at this time, as shown in the following figure.

4. Finally, pull the sound button to the right, and the sound of the mobile phone will be improved, as shown in the figure below.