I’ve been asked to add data push notifications to an iOS app, and that is working good.

I’ve been asked to add data push notifications to an iOS app, and that is working good.

I’ve been asked to add data push notifications to an iOS app, and that is working good.
So the notification banner is showing, until the app is opened or it’s been closed less than 2 days (more or less) ago.
After (about) 2 days, the push banner is not displayed anymore.
Did never had this problem when I was using “normal” notifications.