Unable to receive Instagram notifications on iPhone 16 Pro Max when locked

“Unable to receive Instagram notifications on iPhone 16 Pro Max when locked: i just bought 16 pro max and i still have my 13 while i transfer numbers but my notifications (in particular instagram) are not coming through on the 16 but coming through on the 13 all my settings are the same and trust me I have deep dived into all settings and made sure everything is on and it is. It seems to be when the phone is locked”

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If getting no notifications for an app...

Clear you Notification History:

1. Go here: Use notifications on your iPhone or iPad - Apple Support
2. Scroll to: Open from Notification Center
3. As it Reads: To clear your notification history, tap the Close button, then tap Clear