Top 9 Ways to Fix iPhone X/8/8 Plus Error 4013/4014

“The iPhone could not be restored. An unknown error occurred (4013).” “The iPhone “iPhone” could not be restored. An unknown error occurred (4014).” Getting unknown iTunes error 4013/4014 when trying to upgrade your iPhone X/8/8 Plus to iOS 11.3? iTunes is a great tool to restore and update iPhone but sometimes you’ll get unknown errors such as iPhone error 4013/4014 due to following reasons:

  • iTunes is not updated to the latest version or not installed correctly.
  • Weak Wi-Fi signals or Internet connection.
  • Broken or damaged USB cable.
  • Faulty USB port.
  • Less storage space on your iPhone.

Following are the top 9 ways to fix iPhone X/8/8 Plus (iTunes) error 4013/4014. The first 4 ways are mainly to fix the problems caused by iTunes while the last 5 ways are mainly to fix issues related to your iPhone.

Way 1. Update iTunes to Latest Version

Way 2: Change USB Cable & USB Port

Way 3: Check the Internet Connection

Way 4: Fix iTunes Error with Free Tenorshare TunesCare

Way 5: Force Restart Your iPhone

Way 6: Clear iPhone Storage Space

Way 7: Factory Reset Your iPhone

Way 8: Restore Your iPhone Using Recovery Mode

Way 9: Fix iPhone Error 4013 during iOS 11.3 Update without Data Loss

Way 1. Update iTunes to Latest Version

Check if the latest version of iTunes is installed on the Mac or other computer. If not, update iTunes to the latest version.

Way 2: Change USB Cable & USB Port

A faulty cable and port could cause iPhone error 4013 as well. So try a different cable and use another port. Or if it is possible, change to another computer.

Way 3: Check the Internet Connection

An iPhone error may encounter if the restore od update process is interrupted by weak Wi-Fi signals or Internet connection, so make sure that you have well network connection. Disconnect Wi-Fi both on your computer and iPhone and try to connect them again later on, or try another network if it is there.

Way 4: Fix iTunes Error with Free Tenorshare TunesCare

If your iTunes runs into problem and a simple update or reinstallation cannot solve the issue, here I highly recommend a free utility – Tenorshare Tunecare, which can easily resolve all common update or restore errors, iTunes not working by repairing the corrupted library files.

Way 5: Force Restart Your iPhone

If the problem is caused by your iPhone, try to force restart your iPhone X/8 following steps below:

  • Press and release the volume up button.
  • Press and release the volume down button.
  • Press and hold the side button until the screen turns off and then turns back on. Release the side button when the Apple logo appears.

Way 6: Clear iPhone Storage Space

The iPhone error 4013 may appear if there isn’t enough space on your iPhone to accommodate a new update. You can either clear apps and delete iPhone data manually, or use Tenorshare iCareFone to clear all junk files, temporary files, corrupted files and unused apps in 1 click.

Way 7: Factory Reset Your iPhone

Factory reset iPhone is an easy way to solve most iPhone restore and update errors. Considering it will erase all data on your device, so think twice before you performing this method. Go to "Settings" > "General" > "Reset" and select the "Erase All Content and Settings". Enter your passcode and tap on "Erase iPhone"

Way 8: Restore Your iPhone Using Recovery Mode

If methods above didn’t work or your iPhone unfortunately get stuck during updating or restoring, try to put your iPhone X/8 into recover mode and then restore your iPhone in ITunes. Note that in this way, you’ll also lost all data on your device if you do not have backed up your iPhone before.

Way 9: Fix iPhone Error 4013 during iOS 11.3 Update without Data Loss

Want to repair iPhone X/8 error 4013/4014 without data loss? Now you’ll need the help of Tenorshare Any iOS System Repair (ReiBoot), a professional iOS system repair tool that can solve all iPhone errors/iTunes errors related to corrupted operating system file.


  • Download and install Any iOS System Repair (ReiBoot) on your computer. Connect your iPad to that computer with the USB cable.
  • Run Any iOS System Repair (ReiBoot) after installing and click “Fix All iOS Stuck” on the main interface.
  • Click “Fix Now” to download the iOS firmware to fix your operating system and finally click “Start Repair” to fix iTunes error 4013/4014.

That’s all about how to fix iPhone X/8/8 Plus error 4013/4014. If you have any other questions, please take free to leave a message at the comment area, and we will see what we can do for you.

/ Posted by Jerry Cook to Fix iTunes Follow @Jerry Cook