How to fix an iPhone 7 iOS update error on Unable to Check for Update? [Troubleshooting Guide]

Among the recent issues affecting many users of iOS devices including those with Apple iPhone 7 is on iOS update errors “Unable to check for update” and “Unable to Verify Update.” These error messages show up when attempting to check for available software update on the iPhone wirelessly (OTA). Users are then prompted to Cancel action or Try Again. If you are reading this, then you’re probably among those who are trying to get the latest iOS 11 update for your iPhone but couldn’t go through because you are troubled by this error message and need help in dealing with it. If so, then this content is for you. Keep reading to find out what triggers this error to show up on your iPhone 7 upon checking for an available software update and how to get the problem fixed.

Before going any further though, if you have other concerns with your new iPhone, make sure you drop by our iPhone 7 troubleshooting page for we have already started supporting the device. Moreover, if you need further assistance, you can always contact us by completing our iPhone issues questionnaire and providing us with sufficient information about the problem.

Possible causes

The Unable to Check for Update error usually prompts when checking for available over-the-air (OTA) update on your iPhone. In other cases, you will be prompted with a pertinent error message saying “Unable to Verify Update” or iOS 11 failed verification because you are no longer connected to the Internet.

One of the common reasons as to why this occurs is that the update server may not be available at the moment and so it tells you to try again later. Another possible factor that can trigger similar error to occur on the iPhone is a network problem. Without  a stable or strong connection to the network, you won’t be able to access the Apple server. So what are your options then?

Recommended workarounds and possible solutions

Highlighted below are generic solutions and suggested workarounds to deal with iOS problems including this error. Considering that this error is more likely due to a network connectivity issue, you can start working on your network connection. Here are your options.

Before you go any further in troubleshooting the problem, go to the Apple System Status website and check if the service is available. A green dot next the Apple service means that it is available, otherwise, a gray dot is shown.

First solution: Reboot your wireless router/modem.

Internet service providers tech support called this method “power cycle” on the network equipment in use like modem or wireless router. This is one way to clear your modem/router software from flaws or random glitches and at the same time, allows it to establish fresh connection from the network tower.

Majority if not all minor issues with Internet connection are rectified by this method so you might as well consider giving it a shot and see what happens. Here’s how it’s done:

  1. Power off your modem/wireless router by pressing the Power button for a few seconds until the lights turned off.
  2. Remove the power cord from the outlet or power source.
  3. Wait for about 1 to 2 minutes.
  4. Plug your modem/wireless router back into the power source.
  5. Turn it back on by pressing the Power button.
  6. Wait until all the lights on the modem/router become stable.
  7. Reboot your iPhone 7.
  8. After your iPhone boots up completely, try to check for software update again by going to Settings-> General-> Software Update.

If you’re still getting the same error message saying that your iPhone is “Unable to Check for Update iOS” tap the option to Try Again. Otherwise, try the next applicable workarounds.

Second solution: Turn Wi-Fi off and then back on.

This trick was able to help many people who have encountered network errors. Considering that this error is also related to the network, you may take your chances by performing this trick as well. Here’s how:

  1. Navigate to Settings.
  2. Tap Wi-Fi.
  3. Toggle the Wi-Fi switch to turn it off.
  4. Wait for at least 30 seconds.
  5. Toggle the Wi-Fi switch to turn it back on.

If that won’t work, you can also try to forget your Wi-Fi network and then set it up again. This workaround can also help fix problems related to wireless network connectivity. Here’s how to forget or delete a Wi-Fi network on your iPhone 7:

  1. Make sure you’re within range of the Wi-Fi network you want to forget.
  2. Tap Settings from the Home screen.
  3. Tap Wi-Fi.
  4. Tap the information icon (i) next to the Wi-Fi network you want to forget.
  5. Select the option to Forget This Network.
  6. If prompted, tap Forget to confirm action.
  7. The selected Wi-Fi network will then be deleted.
  8. Reboot your iPhone then go back to Settings-> Wi-Fi-> then locate and connect to your wireless network again. Enter the correct network password if necessary.

When you’re connected, try to check for software update on your iPhone again and see if it’s already working properly this time. If not, try the next method.

Third solution: Reset Network Settings on your iPhone 7.

If forgetting the Wi-Fi network doesn’t help, then your next option would be to reset network settings on your iPhone. Doing so will erase your current network settings and then restore the defaults. Should there be any error on the network settings, which in some ways has triggered this error to show up, then that should be rectified by the reset. If you want to give it a shot, take note of your network password and server information, then follow these steps:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll down to Reset.
  4. Select the option to Reset Network Settings.
  5. Wait until the reset is done. Your iPhone will then reboot.

After it boots up completely, set up your wireless network again, connect to it and then try check for iOS update. If the error persists, you can try to change your Wi-Fi DNS settings (optional) with these steps:

  1. Tap Settings.
  2. Tap Wi-Fi.
  3. Tap the blue (i) icon next to the Wi-Fi network in use.
  4. Scroll to and tap the DNS field.
  5. Enter or These are Google’s public DNS used when dealing with network-related issues.

Try to check for iOS update after changing the DNS information.

Fourth Solution: Use iTunes.

If none of the aforesaid methods is able to fix the error and you still couldn’t check for iOS update on your iPhone wirelessly, then you may opt to using iTunes instead. You will need a computer (Windows or Mac) to proceed with this method. Once you’re all set, follow these steps:

  1. Connect your iPhone 7 to your computer using the supplied USB cable or Lightning connector.
  2. Open iTunes on the computer. Make sure you are using the latest version of iTunes. If not, install the latest version of iTunes on your computer then proceed to the next step.
  3. Select your iPhone 7 from the list of available devices in iTunes.
  4. Click the Summary section.
  5. Click the Check for Update button.
  6. If an update is available, you will see an update notification.
  7. Click the Download and Update button if you wish to install the update. Be sure to backup your iPhone before you continue for safekeeping.
  8. If prompted, enter your passcode.

Wait for iTunes to complete the iOS update installation on your iPhone 7.

Manual update through iTunes is considered the best alternative if you cannot update wirelessly on your iOS device.

Have you enrolled to iOS 11 beta?

If by any chance you have downloaded the iOS 11 beta version on your iPhone 7, the iOS 11 update won’t show up in Settings. In this case you will need to delete your beta profile first by going to Settings-> General-> Profiles & Device Management-> then tap the beta version to delete profile. After doing so, try to get the latest iOS update for your iPhone 7 again.

Contact your network service provider or Apple Support for further assistance and recommendations if the error persists and iTunes is not among your available options to update your iPhone 7 iOS.

Connect with us

If you need more help with the use of certain functions and features of the new Apple iPhone 7 smartphone, feel free to visit our Tutorial Page. There you can find a list of how-to contents, step-by-step tutorials, as well as answers to FAQs regarding iPhone 7. If you have other concerns or encountered some troubles while using the phone, you can reach us through this form. Just be sure to tell us more details of the problem or device issue(s) you may have and we will be more than happy to assist you further.