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On lock scren and background Notification Icon is showing in grey,

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I have added this enter image description here

Deepak
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  • Does this answer your question? [Android Push Notifications: Icon not displaying in notification, white square shown instead](https://stackoverflow.com/questions/30795431/android-push-notifications-icon-not-displaying-in-notification-white-square-sh) – Ivo Nov 01 '22 at 07:19