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Tue, Nov 8, 2016 9:38 PM
I just started receiving multiple messages from "Unknown" and the content reads, "Message not found." What is causing this to happen, it is very disruptive.
4 years ago
My apologies that you are receiving these messages! I know that can be very frustrating and I will be happy to help!
What type of phone do you have? First, I recommend taking a trip through our AT&T Troubleshoot & Resolve tool! After selecting your make and model, there will be an option for Messaging under Service/network issues.
I also recommend clearing the cache for your Messages application. Clearing data should also help, although I suggest backing up your messages first so that you do not lose them.
Steps to do this will differ depending on phone, however you can usually do this by:
You can view all backup methods within our Device Support Center! These can be found in Tutorials > Backup & restore.
Keep us posted and let us know how that goes! Have a great day!
Fiona, AT&T Community Specialist
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