How to Fix “Unable to Verify Update” Error When Installing New iOS on iPhone

On July 19, 2017, Apple officially released iOS 10.3.3 to the public. Through tests of 6 beta versions, iOS 10.3.3 brings bug fixes and security improvements. You can install it on your iPhone directly. While, during installing, you may get a message saying “Unable to Verify Update. iOS 10.3.3 failed verification because you are no longer connected to Internet”. That’s disappointing. You probably still encounter the same issue when updating to iOS 11 public beta 1 or earlier versions like iOS 10.3.2. To solve the problem, we provide you with 6 tips.

Unable to verify update when installing iOS 10.3.3 on iPhone
Unable to verify update when installing iOS 10.3.3 on iPhone

How to Fix “Unable to Verify Update” Error When Installing New iOS

1. Make sure network connection is stable

If you face the error that unable to verify update when installing new iOS, firstly you should check your network connection and make sure it is stable. If you connect to Internet via WiFi, you can disable WiFi and change to cellular data, then see whether update verification is successful.

2. Close Settings app and re-launch

According to feedback of some Apple users, they solve the problem by simply closing Settings app and then reopening it.

Step 1. Double click the Home button to see your open apps.

Step 2. Find Settings app and swipe up to close it.

Step 3. Then, wait a few minutes, tap Settings app to reopen it and try to download the new update again.

3. Delete the update and then re-download

Sometimes a corrupt update may lead to this verifying issue. You can remove the software update on your iPhone and see whether it fix the problem.

Step 1. Go to Settings > General > Storage&iCloud Usage

Step 2. Tap Manage Storage > Software Update > Delete Update

Fix unable to verify update when installing new iOS - delete update and re-install
Fix unable to verify update when installing new iOS – delete update and re-install

Step 3. Connect iPhone to WiFi and head to Settings app to re-download the update.

4. Restart or force restart your iPhone

If deleting the update doesn’t work, you can restart or force restart your iPhone.

To restart iPhone: long press Sleep or Wake button, slide to Power Off and then press Sleep/Wake button until you see Apple logo.

Fix unable to verify update when installing new iOS - restart iPhone
Fix unable to verify update when installing new iOS – restart iPhone

Or force restart your iPhone by following the below steps:

On iPhone 6s and earlier: long press both the Sleep/Wake and Home buttons for at least ten seconds, until you see the Apple logo.

On iPhone 7 or iPhone 7 Plus: hold both the Sleep/Wake and Volume Down buttons for at least ten seconds, until you see the Apple logo.

5. Reset network settings

It is possible that there is something wrong with your network settings. You can simply reset network settings to troubleshoot issue. Proceed to Settings > General > Reset , and tap Reset Network Settings.

How to fix unable to verify update - reset network settings
How to fix unable to verify update – reset network settings

6. Update iPhone using iTunes

If all methods don’t fix “unable to verify update” error when installing new iOS, you can update your iPhone using iTunes. Just follow the below steps.

Step 1. Open iTunes and connect your device to computer

Step 2. Select your device, click Summary > Check for Update.

Step 3. Click Download and Update. Enter your password if promoted.

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