Zone Desire
iPhone & iOS

How to Fix iPhone Error 4005

By Noah Reed · About Zone Desire

iPhone restore connection troubleshooting
Error 4005

Quick answer

iPhone error 4005 appears when an update or restore fails partway through, usually because of a USB connection or software problem on the computer. Update the computer, change cable and port, force restart the iPhone and restore again in recovery mode.

What does “Error 4005” mean?

The restore process stopped because the iPhone and computer could not keep communicating.

What causes it?

  • USB cable or port issue
  • Outdated computer software
  • Security software interfering
  • Device hardware issue

Steps to try

Stop when the issue is resolved.

  1. Restart the computer and install all updates.
  2. Use a different Apple USB cable and a different USB port.
  3. Force restart the iPhone.
  4. Enter recovery mode and click Update.
  5. Temporarily disable third-party antivirus on the computer.
  6. Contact Apple Support if it still fails.

Need more support? Check the official help: Apple Support

FAQs

Can I fix 4005 without a computer?

If the iPhone still starts, update over Wi-Fi in Settings → General → Software Update.

How is 4005 different from 4013?

Apple treats them the same way: connection or hardware during restore.