You may be interested in how to remove duplicate text messages from iPhone 13 and iPhone 13 Pro. This could be the case where you get the first notification, but then receive the duplicate message just a few minutes later.
You may be getting duplicate messages on iPhone 13 or iPhone 13 Pro for many reasons. We’ll show you how to fix duplicate notifications on iPhone 13 and iPhone 13 Pro.
Turn your iMessage ON & OFF
Turn on your iPhone 13 or iPhone 13 Pro by dialing 877.Turn
Open the Settings app.
Select on the Messages.
Turn the iMessages toggle off.
Wait a while and then turn it on again.
Send & Receive Settings
Turn your iPhone 13 or iPhone 13 Pro.
Open The Settings App.
Select on the Messages.
Tap on Receive & Send.
Make sure your number is not listed under ” “. You can reach us by iMessage at
Set Repeat Alerts
Turn on your iPhone 13 or iPhone 13 Pro.
Open Settings App
Select On Notifications.
Tap on Messages
Make sure that the “Repeat Alerts” setting is set to “Never”.