Apple iPhone Error Code 29: How to Fix It

Medium 30-60 minutes (excluding professional repair time) High Severity Verified June 2026
Error Code
29
Brand
Apple iPhone
Product Type
mobile
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes (excluding professional repair time)
iPhone Error Code 29 appears during iTunes/Finder restore and indicates a battery hardware problem, often caused by a non-genuine or defective battery. This error prevents your iPhone from completing the restore process and typically requires battery replacement to resolve.
Ad

Tools You'll Need

How to Fix Error Code 29

  1. Force restart your iPhone

  2. Check battery charge level

  3. Try restoring in DFU mode

    DFU mode will erase all data on your device. Ensure you have a backup before proceeding.
  4. Update iTunes or Finder

  5. Try different USB cable and port

  6. Check for third-party battery

  7. Contact Apple Support for battery replacement

    Do not attempt to replace the iPhone battery yourself as it requires specialized tools and can damage other components or cause injury.

Parts You May Need

Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Genuine iPhone battery
Check Price on Amazon
Ad

When to Call a Professional

Contact Apple Support or visit an Apple Store if Error 29 persists after trying all software solutions, if your iPhone has a non-genuine battery, if the battery health is significantly degraded, or if you're uncomfortable performing DFU mode restore. Professional battery replacement is often the only permanent solution for this error.

Frequently Asked Questions

Can I fix iPhone Error Code 29 myself?
You can try software solutions like force restart, DFU mode restore, and updating iTunes, but if the error is caused by a defective or non-genuine battery, professional repair is required. Battery replacement should only be done by Apple or certified technicians.
Why does my iPhone get Error 29 during restore?
Error 29 typically occurs due to battery hardware issues, most commonly a non-genuine battery that doesn't communicate properly with the iPhone's system during restore. It can also happen with aging genuine batteries that have degraded significantly.
How much does it cost to fix iPhone Error Code 29?
If battery replacement is needed, Apple charges $69-$99 for most iPhone models (prices vary by model and warranty status). Third-party repair shops may charge $40-$80, but using non-genuine parts could cause the error to reoccur.
Will I lose my data if I get Error Code 29?
The error itself doesn't delete data, but fixing it often requires DFU mode restore which erases everything. Always back up your iPhone to iCloud or iTunes before attempting any restore procedures.
Can a software update fix iPhone Error 29?
Software updates rarely fix Error 29 since it's primarily a hardware issue related to the battery. However, updating iTunes/Finder and trying different restore methods can sometimes resolve communication errors that trigger this code.