Get Help With Over-The-Air iOS 12.1.1 Update

You might be unable to update your iPhone, iPad, or iPod touch wirelessly or over the air for one of these reasons:

  • Not enough available storage space on your device
  • Downloading the update takes a long time
  • Unable to reach the update server
  • The update doesn’t complete

What if there’s not enough space to update?

things you should know before an over-the-air update ios 12.1.1 update

If there isn’t enough space to download and install an update, iOS will try to make space. It will remove only app data that it can download again and doesn’t remove or relocate any of your data. If your device still doesn’t have enough space, you can use iTunes to update your device.

What if the download takes a long time?

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You need an Internet connection to update iOS. The time it takes to download the update varies according to the size of the update and your Internet speed. You can use your device normally while downloading the iOS update, and iOS will notify you when you can install it. To improve the speed of the download, avoid downloading other content and use a Wi-Fi network if you can.

What if you can’t reach the update server or can’t verify the update?

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If you try to update the iOS on your device, you might see one of these messages:

  • “Unable to Check for Update. An error occurred while checking for a software update.”
  • “Unable to Verify Update. iOS failed verification because you are no longer connected to the Internet.”

Try updating your device again using the same network. If you still see one of these messages, try updating your device using another network or update your device with iTunes. If the issue happens again after trying to update with multiple networks, remove the update.

What if the update doesn’t complete?

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If you’re installing the update, the progress bar might appear to move slowly. The time an update takes depends on the size of the update and the number of files on your device.

When you’re updating over the air, keep your device connected to a power source. If your device runs out of power, connect it to a power source and turn on the device to let the update or restore complete.

If the update never completes and the progress bar hasn’t moved for an extended time, try restarting your device.

How to restore lost data from iPhone/iPad after the update if no backup?


To get missing data back, you can certainly turn to iFonebox for help. It’s a professional and reliable iOS data recovery tool which enables you to selectively recover almost all file types.

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