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iPhone cellular service not working since iOS 15.5 update.

Lost cellular service once that ios15.5 installed last week, tried every potential fix listed on internet, then took to Verizon store to see if they could help, as expected they were no help other than suggest a phone upgrade. Please help



[Re-Titled by Moderator]


iPhone 8, iOS 15

Posted on Jun 7, 2022 3:48 PM

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Question marked as Top-ranking reply

Posted on Jun 7, 2022 3:50 PM

Cellular Update Failed —> If you see an Update Failed or Apple Pay Not Available alert after iOS update or restart


If you are unable to make a call or receive; If you can't make or receive calls on your iPhone - Apple Support

10 replies

Jun 7, 2022 4:05 PM in response to SravanKrA

Thanks for suggestion, unable to get by the cellular error message and software update shows only ios15.5 loaded. Tried returning network setting to factory, but nothing changes. One item I didn’t mention is that in top left corner of phone the bars constantly flow as if looking for network. I’ve removed and swapped SIM cards and those bars at the top contine

Jun 7, 2022 3:51 PM in response to Earle61

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



iPhone cellular service not working since iOS 15.5 update.

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