It's very annoying situation when your notification count is wrong. For example Facebook or Viber are showing new messages but there aren't any. In order to fix you can try several solutions:

Remove the icon and add it back

This problem happens when you see number on the desktop icon but not in the application view. So best is to:

  • Press and hold the icon you want to delete.
  • Drag the icon to the "Remove" option
  • Drop it on the "Remove" option.

In order to add it back

  • Visit the Home screen page ( the one of the deleted icon or any by your choice )
  • Ensure free space where to place the icon.
  • Show the applications by Apps icon.
  • Press and hold the app icon you want to add to the screen.
  • Place the icon on the Home screen.

Remove annoying notification

Sometimes YouTube could show a number i.e. 36. If you don't like to see random numbers on your Home screen or you are disturb by it then you need to stop annoying notification counts by:

App Icon Notification Badges For Individual Apps

  • Open the application that you want to customize i.e. Youtube.
  • Go to settings - usually in the up right corner
  • Go to notifications
  • Turn off notifications

App Icon Notification Badges For Individual Apps

You can also turn on or turn off app notifications for individual apps by

  • Open the Settings app
  • go to Apps & Notifications.
  • Go to Notifications -> Notifications.
  • Tap the app you want to enable or disable.
  • Allow icon badge switch - You can enable or disable the app icon badge for that particular app.

App Icon Notifications For All Apps

You can enable and disable app icon badges for all apps or for individual apps by:

  • Open Settings
  • Find Apps & Notifications.
  • Press Notifications and enable or disable app icon notifications.