Apple iPhone Error Code 4002: How to Fix It

Easy 30-60 minutes Medium Severity Verified June 2026
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Error Code
4002
Brand
Apple iPhone
Product Type
mobile
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
iTunes Error 4002 occurs when the restore process on your Apple iPhone is unexpectedly interrupted by the host computer. This usually indicates a communication issue between the device and the computer, often due to USB problems, outdated software, or security software interference.
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Tools You'll Need

How to Fix Error Code 4002

  1. Restart Your iPhone and Computer

  2. Use a Different USB Cable and Port

    Do not use damaged or third-party cables.

  3. Update iTunes and macOS/Windows

    Back up your data before updating software.

  4. Disable Security Software Temporarily

    Remember to re-enable security software after the restore.

  5. Put iPhone in Recovery Mode and Restore

    This erases all data on the iPhone. Ensure you have a backup.

  6. Try a Different Computer

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When to Call a Professional

If you've tried all steps and still get error 4002, the iPhone may have a hardware issue. Contact Apple Support or visit an Apple Store for professional diagnostics.

Frequently Asked Questions

Does error 4002 mean my iPhone is broken?
Not necessarily. It often indicates a communication problem with your computer. Try different cables, ports, or computers before assuming hardware failure.
Will restoring my iPhone fix error 4002?
Restoring can fix the error if it's caused by software issues. However, if the error persists during the restore attempt, you'll need to troubleshoot further using the steps above.
Can I fix error 4002 without iTunes?
Third-party recovery tools exist, but using iTunes or Finder is the most reliable method. Apple's software is designed to handle these restore processes safely.
Does jailbreaking cause error 4002?
Yes, a jailbroken iPhone is more likely to encounter error 4002 during restore. Restoring to factory settings via recovery mode usually resolves it.
Error 4002 on macOS Catalina or later?
On macOS Catalina and later, use Finder instead of iTunes. The steps are similar: connect your iPhone, select it in Finder, and click 'Restore iPhone'.

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