Why cannot I receive push messages? - infobip/mobile-messaging-sdk-android GitHub Wiki

Why cannot I receive push messages 5.x

Check your Firebase options

Firebase options used by the SDK in order to obtain token information from the cloud. It should be from the same Firebase project as the server key configured at Infobip Portal.

Mandatory Firebase options are Project ID, App ID, API Key.

Also, you can check Firebase article about troubleshooting initialization options