Reasons Why There is No Sound on Your iPhone
The issue may be universal throughout your iPhone, or it may only occur within a single app. The lack of sound can happen, for instance, when you are connected to a Bluetooth device that isn’t turned on, alerts are defaulting to no sound, or your iPhone is on Do Not Disturb. There are other things, too, that can cause your iPhone to go silent; the precise issue will likely reveal itself with the corresponding fix.
How to Fix No Sound on iPhone
The steps below are listed from easiest to hardest to help you remedy the problem and identify its root cause so you don’t run into this problem again. Follow these troubleshooting steps in the order presented to get your iPhone working properly again: It may also be that the sound setting in the app is too low. Open the app and navigate to the page with the Play/Pause button. Move the slider to the right to increase the volume. In the app, look for audio or sound settings. Turn off any customized mute options, enable audio, and adjust the volume sliders to increase volume. Depending on the app, either move sliders up, move sliders to the right, or tap an icon to make it active.
