How to turn up the sound when the voice of Apple's mobile phone is low?

The voice of Apple's mobile phone is low, and the way to turn it up is as follows:

Tools: iPhone 13, IOS 15.4.

1. Open the Apple phone and click Settings.

2. In the setting interface, find "Sound Touch" and click Open.

3. Find the "ringtone and reminder", drag the button and adjust the volume.

Introduction to the function keys of iPhone:

The mute button of iPhone series products is located on the left side of the front of the device, which is a physical function switch designed by iPhone, allowing users to quickly switch between mute and ringtone.

TouchID is a fingerprint identification technology of Apple. It first appeared on the iPhone5s.

IPhone6s and iPhone6sPlus added 3DTouch touch control on the screen for the first time. Compared with the operation of multi-touch in planar two-dimensional space, 3DTouch technology increases the perception of strength and finger area, and long press can quickly preview and view messages, pictures, hyperlinks and other contents. Make the original plane operation more stereoscopic.