How do I turn off in-app sounds in facebook for android 397.0.0.23.404?
There seems to be no section named "media and contacts" in the settings menu.
As a result, every time I push a like button, I get a disturbing sound from the phone.
In the Facebook app, you can follow these items to find "Sounds in the app":
For what it's worth, the "Media and contacts" section also showed up for me when searching in settings for "sound"
Screenshots for help:
In the settings of the Messenger app, tap your profile picture in the top-left to get to the settings menu. From there, select "Notifications & sounds", then turn off the "In-app sounds" toggle: