If you see a Cellular, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart

If one of these messages appears, 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:

  • Cellular Issue Detected

  • Ultra Wideband Issue Detected

  • Apple Pay Issue Detected

You might see these messages on the Home Screen or in Settings > General > About under Parts and Service History.

If you want to try more steps on your own

You need a computer to follow these steps.

  1. Make sure that you have a backup of your iPhone or iPad.

  2. 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.

  3. If "Trust this Computer" appears, unlock your device, then tap Trust.

  4. Select your device.

  5. In the Finder or Apple Devices, click General. Or in iTunes, click Summary. Then:

    1. On a Mac: Command-click Check for Update.

    2. On a Windows computer: Control-click Check for Update.

  6. 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.

Learn more about these messages

If a red badge with a number appears on your Settings app icon:

  1. Open the Settings app.

  2. Tap the message to learn more about it.

Cellular Issue Detected

If this message appears, there was an issue updating the cellular communication features of your iPhone or iPad. Your device can't make or receive calls or text messages or access cellular data.


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.

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 until you reinstall iOS or iPadOS on your device. Some Wallet passes might still be available while payments are unavailable.

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