Use this method to disable all Facebook in-app sounds, including the sound effects that play when you like a post and refresh the feed, auto-playing videos, and stories.
If you want to play sound from a video, tap the video and then tap the speaker icon. You can also prevent videos from playing automatically if you’d like. Just tap Never Autoplay Videos to turn on this setting.
To play the audio in a story, just tap the speaker icon in its upper-left corner.
If you’re using Facebook Messenger, you’ll still hear notification sounds unless you disable Messenger notifications.
You can also toggle off “Play a sound when a message is received” to disable message sounds if you haven’t already.
This method will prevent videos from automatically playing as you scroll through your feed. [4] X Research source If you start playing a video, you’ll still hear sound. The only way to disable sound when a video starts on Facebook is to do so using your Android, iPhone, or iPad.