Apple iPhone Error Code 39: How to Fix It

Easy 10-20 minutes Low Severity Verified June 2026
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Error Code
39
Brand
Apple iPhone
Product Type
mobile
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
10-20 minutes
Apple iPhone Error Code 39 occurs when your device fails to sync with iTunes or the iTunes Store, typically due to authentication issues or corrupted sync data. This error prevents you from backing up, syncing music, or updating your iPhone through iTunes.
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Tools You'll Need

How to Fix Error Code 39

  1. Sign Out of iTunes Store on iPhone

  2. Sign Out of iTunes on Computer

  3. Restart Both Devices

  4. Update iTunes Software

  5. Check Date and Time Settings

  6. Sign Back Into iTunes Store

  7. Reset Sync History

    Only delete old backups you no longer need, as this action cannot be undone

  8. Try Syncing Again

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When to Call a Professional

Contact Apple Support if Error 39 persists after trying all steps, if you're unable to sign into your Apple ID, or if iTunes won't open or update properly. Professional help may be needed for complex account authentication issues.

Frequently Asked Questions

What causes iPhone Error Code 39?
Error 39 is typically caused by authentication problems with your Apple ID, corrupted sync data in iTunes, outdated iTunes software, or network connectivity issues preventing proper communication with Apple's servers.
Will fixing Error 39 delete my iPhone data?
No, the recommended fixes for Error 39 will not delete data from your iPhone. However, you may need to delete old iTunes backups on your computer to clear corrupted sync history.
Can I fix iTunes Error 39 without a computer?
Some steps like signing out and back into iTunes Store can be done on your iPhone alone, but fully resolving Error 39 typically requires access to iTunes on a computer to reset sync settings.
Why does Error 39 keep coming back?
Recurring Error 39 may indicate persistent network issues, an outdated iTunes version, corrupted iTunes installation, or problems with your Apple ID account that require contacting Apple Support.
Is Error 39 the same as other iTunes errors?
No, Error 39 is specifically related to iTunes Store authentication and sync issues. Other iTunes errors like Error 3194 or Error 21 have different causes and require different troubleshooting steps.

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