During an update or restore, error 9, error 4013, error 4005, and error 4014 are the most common errors that mean your device can’t connect to or talk to your computer.
To fix The iPhone could not be restored. An unknown error occurred 9, 4013, 4014 follow below steps:
The iPhone Could Not Be Restored. An Unknown Error Occurred (4, 9, 10, 14, 4013)
Update to the latest macOS
Before you start, make sure your Mac is running the latest version of macOS by going to System Preferences > Software Update. Make sure you have the latest version of iTunes (App Store > Updates on a Mac) if you are using a PC or a Mac that runs Mohave or an earlier version.
If you haven’t already, unplug your iPhone from your computer. Restarting your iPhone by force:
iPhone 8 or later: Press the volume up button, then quickly press the volume down button. Then, press and hold the side button until the Apple logo appears.
iPhone 7: Press and hold the volume down button and the side button until the Apple logo shows up.
iPhone SE, iPhone 6s, or an older model: Press and hold the side or top button and the Home button until the Apple logo appears.
Try again to update or restore your iPhone by connecting it to your computer. Update will keep your data. If you choose Restore, you will have to set up your device again or restore it from a backup.
- If your update or restore fails and you get an error again, try:
- Connect your iPhone to your computer with a different cable.
- You can update your iPhone on a different computer.
Make sure your Mac has the most recent version of either macOS or iTunes.
Make your device start over:…
Use a USB cable to hook up your device to your computer.
When you see the option to update or restore, click Update instead of Restore to reinstall the software and keep your personal data.
Unplug all USB accessories from your computer and try each USB port to see if one of them works. If you have another computer, connect your device to that one instead. Start up your computer, iPhone, or iPad. This could be caused by your antivirus and/or firewall software.
You can put your iOS device into recovery mode and then use your computer to restore it. You might need to use recovery mode to fix your device in one of these situations: Your computer doesn’t see your device or says it’s in recovery mode.
Device Firmware Update mode, or DFU mode for short, is a state that an iPhone or iPad can be put in to get them back to working order. DFU mode is like the BIOS in Windows computers or Recovery Mode on a Mac.
The unknown element error is a WebDriver error that happens when the driver is processing a command and an unknown error happens in the driver. An unknown error is usually caused by a certain driver, so it’s best to read the error message, if there is one, to find out what went wrong.