iOS 12.1 Software Update Failed an Error occurred Downloading on iPhone, iPad: Here’s fix

Apple rolled out new iOS for upcoming smart iPhone and Existing iPhone and iPad compatible with iOS 12. What you iOS 12.1 Software Update Failed an Error occurred Downloading on iPhone? And it’s not final Apple may surprise all iOS users with amazing new features anytime by serially releasing new iOS version is iOS 12. And not every time you will get update iOS successfully on the first attempt. Sometimes you will get software update failed An error occurred downloading iOS 12 in a popup with Close and Settings options. Mostly, when you are trying to update iOS over-the-air (OTA). The Phone Screen stuck and won’t go to the iOS installing screen (Black screen with Apple logo).

iOS 12.1 brings some new features that are accessible on iPhone XS Max, iPhone XS, iPhone XR, and earlier iPhone 8/ 8 Plus, iPhone X, iPhone 7/ 7 Plus, iPhone 6/6 Plus, iPhone SE/ 5S.

See the Below Screen: “Stuck on Unable to Verify Update“: iOS 12.1 Failed Verification because you are no longer connected to the internet. After I have a proper high-speed internet connection.

Fix iOS 12.1 software update failed Error on iPhone, iPad

Fix iOS 12 software update failed iOS 12 iOS 12.1 iOS 12.2

Solution #1: Restart or Hard Reboot and Try again

Apple ID authentication required (using different Apple ID for iCloud and App Store or any other reasons). But authentication login box not appearing on screen. To re-fit it, Restart or  Reboot required.

To Restart: Press & hold Sleep/ Wake until apple logo on screen,

To Force Restart Or Hard Reboot: [Worked on 95% Cases]

For iPhone 8 Plus/8 Plus/iPhone X/ iPhone XS Max, iPhone XS and iPhone XR users:

  1. Press and Quickly Release Volume Up button, then
  2. Press and Quickly Release Volume Down Button, then
  3. Press and Hold Side Button until you see the Apple logo on Screen.

To Start iPhone, Again press Side button until the startup apple logo on the screen.

For iPhone 7/iPhone 7 Plus users: Press and hold Sleep/Wake + Volume Down button simultaneously until you see the white apple logo o the screen.

For iPhone 6S and Earlier users: let’s press Sleep/Wake + Home button simultaneously until you see the apple logo on iPhone.

Solution #2: Try after some time or try again at the same time

Maybe It’s a temporary problem because of Apple service down in your region. 

Check the Apple service in your region.

Are you developer: Check System Status

Some of the regions may affect the heavy load on the server due to millions of update request in short duration just after the release time or announcement. (Bypass this problem by choosing alternate techniques for update iOS 12 using iTunes)

Popup message appears with settings and Close button.

Select the “Close” button to exit from the screen and re-try.



Solution #3: Update using iTunes, Download iOS 12 and Update

Get latest (Last) version of the IPSW file,

Save on your local drive for clean install after backup iPhone.

Step #1: Open the Apple iTunes on your Mac or PC. [make sure iTunes version is updated- Here’s tip to update iTunes]

Step #2: Now Connect your iPhone via USB-lightening cable to iTunes on Mac or PC.

Step #3: Go to the iPhone summary tab and Find Restore iPhone button.

For Mac User, Press Alt/ Option key from Keyboard + Restore iPhone button.

For Windows, Press Shift Key and Press Restore iPhone button.

Step #4: Wait for the complete installation setup, Next to the installation restore old backup for overwriting default settings and Data files.

Solution #4: Free up Space on your iOS Device

Save installation file on iPhone first then update over the air. Depends on require new space on iDevice you can take below-given actions,

  • Clear Documents and Data on iOS for the specific app
  • Delete unwanted and unused iOS app, Press and hold on an app icon until jiggle, Tap on the cross mark to delete the app.
  • Delete large video file or Photos. (Must delete all Media file from recently delete the folder)
  • Find relevant settings to Optimize storage under Photos & Camera.

Above are the essential troubleshooting tips for iOS 12.1 software update Failed over the Air (Using WiFi – OTP). Don’t miss to share your experience with us by following tips give here.

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About jaysukh patel

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [email protected] [OR] [email protected]

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