If you see a Mobile, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart
If one of these messages appear, iOS or iPadOS diagnostics detected an issue on your iPhone or iPad that might require repair.
Contact Apple Support
Contact Apple Support if one of these messages appears on your iPhone or iPad:
Mobile Issue Detected
Ultra Wideband Issue Detected
Apple Pay Issue Detected
You may see these messages on the Home Screen or in Settings > General > About under Parts and Service History.
If you want to try some more steps on your own
You'll need a computer to complete these steps.
Connect your device to a computer that has the latest version of macOS, iTunes or Apple Devices. On a Mac with macOS Catalina or later, open a Finder window. On a Mac with macOS Mojave or earlier, open iTunes. On a Windows PC, open iTunes or Apple Devices.
If "Trust this Computer" appears, unlock your device, then tap Trust.
In the Finder or Apple Devices, click General. Or in iTunes, click Summary. Then:
On a Mac: Command-click Check for Update.
On a Windows computer: Control-click Check for Update.
Click Download and Update. Continue by following the onscreen instructions.
Your computer will download and reinstall the current version of software on your device. Don't disconnect your device from your computer until the download completes.
If the message still appears, contact Apple Support.
Find out more about these messages
If a red badge with a number appears on your Settings app icon:
Open the Settings app.
Tap the message to find out more about it.
Mobile Issue Detected
If this message appears, there was an issue updating the mobile communication features of your iPhone or iPad. Your device can't make or receive calls or text messages or access mobile data.
![Cellular Issue error message on an iPhone informing the user that the iPhone cannot access mobile data or make and receive calls or messages.](https://cdsassets.apple.com/live/7WUAS350/images/ios/ios15-iphone13-pro-settings-cellular-issue.png)
Ultra Wideband Issue Detected
If this message appears on iPhone models that support Ultra Wideband, there was an issue updating the Ultra Wideband feature of your iPhone.
![Ultra Wideband Issue error message on an iPhone informing the user that the iPhone cannot use Ultra Wideband.](https://cdsassets.apple.com/live/7WUAS350/images/ios/ios15-iphone13-pro-settings-ultra-wideband-issue.png)
Apple Pay Issue Detected
If the Apple Pay Issue Detected message appears, you won't be able to use Apple Pay or Wallet for payments or access it until you reinstall iOS or iPadOS on your device. Some Wallet passes may still be available while payments are unavailable.
![Apple Pay Issue error message on an iPhone informing the user that the iPhone cannot use Apple Pay.](https://cdsassets.apple.com/live/7WUAS350/images/ios/ios15-iphone13-pro-settings-apple-pay-issue.png)