How to Solve iPhone Won't Restore After iOS 12 Upgrade

Last Updated : August 10, 2018

After iOS 12 upgrade, you might find your iPhone/iPad cannot restore the previously backed up data and encountering iPhone won't restore errors including common error 9, 4005, 4013, or 4014 when you are trying to restore iPhone from iTunes backup. Here we'll sum up the general sulutions and the corresponding ones to each issue.

upgrade to ios 12

Restore iPhone for iOS 12 Upgrade

Backup and Restore iPhone for iOS 12: Tips and Notes

iPhone won't restore error 9, 4005, 4013, or 4014 solutions are detailed in Apple support
Try these steps:
1. Install the latest version of iTunes.
2. Force your device to restart:
• On an iPhone X, iPhone 8, or iPhone 8 Plus: Press and quickly release the Volume Up button. Press and quickly release the Volume Down button. Then, press and hold the Side button until you see the Apple logo.
• On an iPhone 7 or iPhone 7 Plus, press and hold both the Side and Volume Down buttons for at least 10 seconds, until you see the Apple logo.
• On iPhone 6s and earlier, iPad, or iPod touch, press and hold both the Home and Top (or Side) buttons for at least 10 seconds, until you see the Apple logo.
3. Connect your device to your computer using a USB cable.
4. When iTunes asks you to update or restore, click Update (not Restore) to reinstall iOS and keep your personal data.

Well, for most iPhone users, backup and restore iPhone before an iOS upgrade means there's no need to lose data: Although the installation pack for iOS 12 is only as small as 1.7 GB, your fed-up iPhone can eat up no more and may require you to delete some APPs for iOS 12 upgrade: but if you deleted the APP, re-installing it on iOS 12 means you can't get the old chat memories back. So the first tip for you to remember to backup and restore iPhone is: backup photos and music only.

Solve iPhone iOS 12 Won't Restore Issue without iTunes

By and large, users can resort to Apple's native backup and restore iPhone services to manage their data or resort to a 3rd-party one. Here we don't detail much on using iCloud to backup iPhone data or iTunes backup steps, but you may get some help should you have problems using Apple's tools to backup and restore iPhone: check iCloud backup couldn't be completed [solved] , iTunes won't backup iPhone [Solved], and iTunes problems on Windows 10 .

Instead of going against the limited 5GB of free iCloud storage and the much-disliked iTunes backup, you may consider one of the best iPhone backup software 2018 – DearMob iPhone Manager. Being an iPhone backup & restore tool 2-in-1, DearMob's iPhone Manager can backup iPhone photos, videos, music, SMS, contacts, reminders and and calendars, etc in the following method.

How to Backup iPhone Data with DearMob iPhone Manager?

Step 1: Download, install and launch DearMob iPhone Manager for Windows and Mac. First USB-connect iPhone to the computer with an authorized cable from Apple.

Step 2: By default, this iPhone backup software employs: C:/ > User:/ > AppData > Roaming > DearMob > DearMobiPhoneManager to backup iPhone files, so far you can't change the backup files folder.

Step 3: Return to the user interface of this backup software, on the line-one of DearMob's functional APPs, click on "Backup" > to the confirm page > hit the "Back Up Now" button to help to start backup iPhone data.

Tips and Notes:
You're more than recommended to use the "encrypt backup" function of DearMob iPhone Manager to password-protect your iPhone data to ensure that nothing gets leaked even if someone else visits your iPhone backup files. Even if you don't feel like restoring from iPhone backup after upgrading to iOS 12, leaving the encrypted backup files are relatively safe on computer.

How to Restore iPhone without iTunes

DearMob iPhone Manager share the same backup file with iTunes! If you've already uninstalled iTunes, your previous backup files can be recognized and fetched out by this iPhone Manager instead. It is a great alternative to iTunes

Step 1: Let's assume that you've successfully upgraded iPhone to iOS 12, now re-connect iPhone to computer and switch to the "Restore backup files" tab.

Step 2:Locate to the backup files stored on your computer, choose the most recent version of iPhone backup (or any previous version you'd like to restore to iPhone iOS 12), and click on "Restore Now" below.

Step 3: If you're trying to restore from an encrypted backup, make sure you type the correct password for it.

Tips and Notes:
Kindly be noted that higher version data can't be restored to devices of lower versions.


Given above are the useful tips you may use to backup and restore iPhone for iOS 12 upgrade. This backup and restore method, when compared to other backup method out there in the market, is indeed more convenient thanks to its high-efficiency. Now check out DearMob iPhone Manager below:

What Else Can I Do Except for Backing Up and Restore iPhone Data?

Although we insist backup and restore iPhone to be the best method to make room for an iOS 12 upgrade. You may try out the following method to make room for iOS 12 upgrade:

1. Clear App data
By visiting: "Settings" -> "General" -> "Storage & iCloud Usage" -> "Storage" -> "Manage Storage", you may delete unwanted APP data for good.
2. Uninstall Less-used APPs
Kindly be noted that you won't be able to recover data even if you re-install the APP. However, backup and restore iPhone with DearMob iPhone Manager ensures zero data loss.
3. Clear Downloaded Content from Apple Music, YouTube, Podcasts, etc.
4. Delete Safari Viewing Cache and other browsers' cache.
5. Disable the "Live" function for live photos.
6. Wipe out photos from "Recently Deleted" album.
7. Turn on automatically delete text messages.
8. Delete old SMS to reclaim space for iOS 12 -> It's relatively easy to backup SMS with DearMob iPhone Manager.

Although the 8 tricks above may help you make room for iOS 12 upgrade, using DearMob iPhone Manager to backup and restore iOS 12 is a method worth trying for you can get everything back without even the slightest data loss. You may also use it to backup photos, music, etc.

5KPlayer iPhone Manager Backup and Restore iPhone for iOS 12

Jason, once worked as a professional software tech supporter, is talented in software error detecting, fixes and software test reviews with sharpened technical insight. He also has a peculiar taste in movies, music, comics, TV Sports shows. Feel free to find him on Quora.

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