iMessage blue bubble not delivered after update 16.4

Hello mehran1976!

If you can't send or receive messages on your iPhone or iPad - Apple Support, please tap on the link to learn what to do next.

You will want to tap: Message not delivered within the Support Article I have provided.

I hope this is helpful. Good Luck!

mehran1979 Said:

"imessage blue bubble not delivered after update 16.4 on my iphone 13 pro max but its working fine on my iPad"

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Report this Bug to Apple:

Do your Part: These are user-to-user forums. Apple rarely reads these forums on their own time as it is. So, provide Apple with feedback on this.  Apple wont get back to you directly, but the more they hear of this, the more they will know what is going on, and what needs to be fixed.

To Provide Feedback:

1. Go Here: Feedback - iPhone - Apple
2. Select: "Bug Report" for the "Feedback Type"
3. Comment: that this all stated after installing an update. Include the URL of this thread.
4. Proceed form there as necessary