Iphone 13 pro max ios 16.0.2 notification is always 5 minutes late. What's wrong?

HaAnanan Said:

"ios 15.6 is still working properly. from ios 15.7 to now is 16.0.2, all applications are always late without notification. very annoying."

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Along with getting a new SIM card...

Report this to Apple:

Do your Part: Provide Apple with feedback on this, letting them know about this issue.  Apple may not get back to you directly, but the more feedback they receive on this, the more they will know what is occurring, and what bug fixes to include in updates to come.

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

HaAnanan Said:

"Iphone 13 pro max ios 16.0.2 notification is always 5 minutes late. What's wrong?"

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Contact your Carrier if Time is Off:

Is the time is off, then it is likely a misconfiguration with the SIM card that you Carrier put in there. So, contact your Carrier, creating they assist you with fixing this.

HaAnanan Said:

"3rd party apps. facebook, instagram….. Even though wifi and mobile network are always on, I don't receive notifications"

Get the time fixed. It seems syncing with these sites' servers is not operable with this being an issue.

You are welcome.