The message sent by Apple's mobile phone is silent.

You can turn off the mute through the auxiliary touch in your phone. Take Apple 8 as an example, there are the following steps:

1. Find the setting icon in the main interface.

2. Click to enter the setting interface and drop down to find GM.

3, select the auxiliary function, you can see the auxiliary touch.

4. After selecting Open, a box button will be displayed on the screen.

5. Click this button, and then select the device to view the mute option, as shown in the following figure:

6. Click to mute, and then click to unmute again, as shown in the figure below: