Apple iPhone Error Code 1013: How to Fix It

Medium 30-60 minutes High Severity Verified June 2026
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Error Code
1013
Brand
Apple iPhone
Product Type
mobile
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error 1013 occurs when iTunes encounters a problem during the modem firmware update phase of an iOS restore or update. This usually indicates a hardware or software issue with the iPhone's baseband. Follow the steps below to resolve it.
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Tools You'll Need

How to Fix Error Code 1013

  1. Restart iPhone and Computer

  2. Update iTunes

  3. Check USB Connection and Cable

  4. Delete Apple Mobile Device Support

    Back up your iPhone data before proceeding. Uninstalling iTunes won't delete your media library if it's stored separately.

  5. Use Recovery Mode or DFU Mode

    DFU mode will erase all data. Only use if you have a backup or are prepared to lose data.

  6. Check Hosts File (Windows)

    Modifying the hosts file incorrectly can affect network settings. Follow instructions carefully.

Parts You May Need

Replacement Lightning cable
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Replacement Lightning cable
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Replacement Lightning cable
Check Price on Amazon
Replacement Lightning cable
Check Price on Amazon
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When to Call a Professional

If none of these steps work, the modem hardware may be damaged. Contact Apple Support or visit an Apple Store for repair.

Frequently Asked Questions

Does error 1013 mean my iPhone is bricked?
Not necessarily. It often indicates a software glitch that can be fixed by putting the iPhone in DFU mode and restoring. However, if the modem chip is damaged, it may require hardware repair.
Will I lose data when fixing error 1013?
Most steps do not erase data, but DFU mode restore will erase all content. Always back up regularly to avoid data loss.
Can I fix error 1013 without a computer?
No, error 1013 appears when connecting to iTunes on a computer. You need a computer to run iTunes or Finder (macOS Catalina and later).
Why does error 1013 happen?
It usually happens due to a failed modem firmware installation during an iOS restore/update. Causes include bad USB connection, outdated iTunes, corrupted driver, or hardware fault.
Does Apple cover error 1013 under warranty?
If the error is caused by a hardware defect, it may be covered. Contact Apple Support with your serial number to check warranty status.

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