This beginner-friendly guide explains exactly how to use Facebook Messenger on iPhone (also applicable to Android, iPad, and desktop): installing the standalone Messenger app, signing in with a Facebook account, starting a new chat, sending photos, videos, emojis and voice notes, creating and managing group chats, and customizing key privacy & security controls. You’ll learn where to find Settings, turn Active Status on/off, control Message Delivery (who can contact you), restrict or block accounts, manage Read Receipts, enable Dark Mode, and fine-tune notifications (lock screen, banners, sounds) so messages sync cleanly across all devices. Use this step-by-step walkthrough to get up and running fast while protecting your privacy and avoiding unwanted messages.
