- Ensure there are no unread messages in the Message Requests and Archived Messages folders.
- Disabling and re-enabling notification permissions for the Messenger app can also help fix this issue.
- If the problem persists, consider updating the Messenger app and clearing its cache data.
Try Basic Fixes
- Mark your messages as read: At times, Facebook Messenger may sometimes fail to mark your messages as read, even after you have opened them. To fix this, you can mark your messages as read manually by long-pressing the conversation and selecting the Mark as read option.
- Update the app: If the Facebook Messenger notification isn’t going away due to a bug within the app, it shouldn’t take long for Meta to address and resolve the issue in a subsequent update. Head to the Play Store (Android) or App Store (iPhone) on your phone to update the Messenger app and see if that helps.
Fix 1: Turn Off Message Reminders
When you enable message reminders in Messenger, the app occasionally sends notifications about unread messages. As a result, a Messenger notification may reappear even after you dismiss it. To avoid any confusion, it’s best to disable message reminders in the Messenger app.
Step 1: Open the Messenger app on your phone, tap the hamburger menu icon in the top-left corner, and then tap the gear icon in the top-right corner.
Step 2: Tap on Notifications & sounds and disable the toggle next to Message reminders .

Fix 2: Check Message Requests and Archived Messages
If Facebook Messenger displays a notification but there are no new messages, it could be due to pending message requests or unread archived messages . Here’s how you can mark them as read.
Step 1: Open the Messenger app on your phone, tap the hamburger menu icon in the top-left corner, and select Message requests .
Step 2: Long-press on the unread conversation and select Mark as read .

Step 3: Tap the menu icon again and select Archive . Open your unread conversations one by one to mark them as read.

Fix 3: Disable and Re-Enable Notifications for the Messenger App
If the notification is still not going away, you can resolve the problem by disabling and re-enabling notifications for the Facebook Messenger app. Here’s how.
Android
Step 1: Tap and hold the Messenger app icon and tap the info icon from the menu that pops up.
Step 2: On the app info page, tap on Notifications . Disable the toggle next to Allow notifications and then enable it.

iPhone
Step 1: Open Settings and scroll down to tap on Messenger .
Step 2: Select Notifications and toggle off the switch next to Allow Notifications . Wait for a few seconds and turn it back on.

Fix 4: Sign Out and Sign Back In
The Messenger app could misbehave and trouble you with such issues if your account has a problem. You can remove your account from the app and add it back to see if that works.
Step 1: Open the Messenger app settings menu and tap See more in Account Center option.
Step 2: Go to Password and security > Where you’re logged in .

Step 3: Tap on Select devices to log out . Then, select your device from the list and tap the Log Out button at the bottom.

Sign back into the Messenger app and check if the issue persists.
Fix 5: Clear App Cache (Android)
Interference from a corrupt or outdated app cache can cause Messenger to malfunction on your Android. You can purge the existing app cache to resolve the problem.
Step 1: Long-press on the Messenger app icon and tap the info icon from the menu that appears.
Step 2: Go to Storage and tap the Clear cache option at the bottom-right corner.
