User level: Level 1 (4 points)Is anyone else on AT&T getting a ‘could not activate cellular data network’ message?
[Re-Titled by Moderator]
Original Title: Cellular network
Posted on Oct 28, 2026 6:23 PM
User level: Level 10 (454,138 points)Oct 29, 2026 1:04 AM in response to GiMacdoc
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
User level: Level 10 (454,138 points)Oct 29, 2026 1:05 AM in response to GiMacdoc
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
User level: Level 10 (233,174 points)Oct 28, 2026 6:43 PM in response to GiMacdoc
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?
Originally posted at discussions.apple.com/thread/256384951