Apple iPhone Error Code 85: How to Fix It
Easy 15-30 minutes Medium Severity
Verified June 2026
- Error Code
- 85
- Brand
- Apple iPhone
- Product Type
- mobile
- Severity
- Medium
- DIY Difficulty
- Easy
- Estimated Fix Time
- 15-30 minutes
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Tools You'll Need
- USB cable (Apple-certified)
How to Fix Error Code 85
-
Update iTunes on Mac or PC
Ensure you have a stable internet connection before updating. -
Update macOS or Windows
Back up your data before installing major OS updates. -
Restart iPhone and Computer
-
Check USB Connection and Try Another Cable/Port
-
Try a Different Computer
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When to Call a Professional
If you've updated all software, tried different cables and computers, and the error still appears, contact Apple Support or visit an Apple Store. There may be a deeper hardware or software issue.Frequently Asked Questions
What causes iTunes Error 85 on iPhone?
iTunes Error 85 is typically caused by an outdated or incompatible version of iTunes. It can also occur due to outdated macOS or Windows, faulty USB connections, or software conflicts.
Will I lose data if I restore my iPhone to fix Error 85?
If you perform a standard update via iTunes, your data should not be lost. However, if you need to restore your iPhone, you may lose data unless you have a recent backup. Always back up your iPhone before attempting a restore.
Can I fix Error 85 without a computer?
No, Error 85 occurs when using iTunes on a computer. You must update iTunes or use a different computer to resolve it.
Does Error 85 mean my iPhone is damaged?
No, Error 85 is a software-related issue. It does not indicate hardware damage. It is usually fixed by updating your software or trying a different USB connection.
How do I update iTunes if the 'Check for Updates' option is missing?
On a Mac, you can update iTunes via the App Store or Software Update. On Windows, download the latest version from Apple's website if the update option is not working.