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How to fix 'could not activate cellular data network' error on AT&T iPhone?

Is anyone else on AT&T getting a ‘could not activate cellular data network’ message?


[Re-Titled by Moderator]

Original Title: Cellular network

3 replies

Carrier Update (Required): Released by your Cellular Service provider (Carrier Update), affects your Outgoing / Incoming calls, SMS, Data etc..



How to Update Carrier Settings

You can manually check for and install a carrier settings, update with these steps: Make sure your device is connected to a Wi-Fi or cellular network. Tap Settings > General > About. If an update is available, you'll see an option to update your carrier settings.

Update your carrier settings on your iPhone or iPad - Apple Support

AT&T says:


Updating Carrier Settings on iPhone ; 1. From the Home screen, tap Settings. ; 2. Scroll to General. ; 3. Tap General. ; 4. Tap About. ; 5. Tap Update.Read more


Updating Carrier Settings on iPhone - Apple


GiMacdoc wrote:
Is anyone else on AT&T getting a ‘could not activate cellular data network’ message?

What did AT&T say when you logically contacted them for help?