6 Ways to Fix Messenger Notification Sound Not Working Issue on Mobile
Idea: Settings in Facebook Messenger about notifications for showing or not showing name/message text/message image or video preview/etc, turning on/off particular sounds/vibrate per person, notify about when your message is read by
Did Facebook Messenger remove the ability to disable vibration on incoming messages? : r/GooglePixel
Pro Tip: Get Facebook Messenger to stop buzzing you during chats | Cult of Mac
Turn Off Notification Sound in Facebook Messenger App on iPhone [How-to] - iGeeksBlog
3 Ways to Fix Facebook if Message Notifications Won't Go Away
Top 7 Ways to Fix Facebook Messenger Notification Sound Not Working - Guiding Tech
How to Change Notification Sound for Facebook Messenger - TechWiser