Navigate back to the main Settings screen, tap Notifications, and then tap Advanced settings. Tap the switch next to App icon badges to turn them on.

How do I enable badges on Android?

Android O gives you complete freedom to choose which apps can add that extra bit of information on your Home Screen. Open the Settings app and go to Apps & Notifications. Tap Notifications and enable or disable app icon badges by flipping the Allow icon badges switch on or off respectively.

Why is my badge app icon not working?

The most likely reason that your iPhone badges don’t appear to be working relates to notification settings. If you have turned off the badge notifications for an application inadvertently, or the application’s default setting is to have badges disabled, you won’t receive badge alerts for that application.