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iPhone Error 4013: Why It Happens & 7 Ways to Fix It Easily
Posted by Alvin Cantero to iOS Recovery Nov 07, 2025
Facing iPhone error 4013 while updating or restoring your device can be alarming, especially when iTunes/Finder suddenly stops the process, only showing "The iPhone could not be restored. An unknown error occurred (4013)". But don't panic! Whatever the cause is, there are several reliable ways to fix the iPhone could not be restored Error 4013. Follow the list below to safely restore your iPhone with no data loss and bring it back to normal.
Guide List
What is iPhone error 4013, and The Reason it Happens The Best Way to Fix iPhone error 4013 Tips for Avoiding iTunes Error 4013 in the FutureWhat is iPhone error 4013, and The Reason it Happens
Before getting into the fixes for iPhone unknown error 4013, understand what it actually is and why it happens. This error usually appears when you try to update or restore your iPhone via iTunes/Finder, meaning that your computer and iOS device lost connection during the process. Also, it is generally a communication error that prevents the syncing process between two devices, stopping or corrupting the data transfer.
Reasons Why iPhone error 4013 Happens:
• A loose, broken Lightning cable that disrupts the communication during the restore or update process.
• Older versions might not support newer iOS devices or firmware.
• Interrupted downloads can damage the firmware.
• Outdated drivers can prevent proper device detection.
• Internal hardware issues may cause a persistent iPhone error 4013.
The Best Way to Fix iPhone error 4013
Now that you know the reasons behind iPhone error 4013, you can easily pinpoint which method works best. See below the seven methods to fix iPhone error 4013 and get your iPhone working again!
Method 1: Repair with 4Easysoft iOS System Recovery
If you suspect that iPhone error 4013 indicates a deeper system malfunction that simple, quick fixes cannot resolve, the most reliable solution to try is 4Easysoft iOS System Recovery. This tool is a professional software that repairs iOS system errors safely and efficiently. Whether the error is due to a corrupted update, failed restoration, or system crash, this program can get your iPhone back to normal without affecting existing data. Also, it covers all iPhone models and iOS versions, so you won't encounter any compatibility issues and just enjoy a smooth, quick repair process.
Repair iPhone error 4013, update failure, frozen screen, and other issues.
With advanced system repair technology, a high success rate process is ensured.
Automatically detects and fixes firmware or glitches during updates.
Offers Standard Mode (keeps data) and Advanced Mode (for deeper repair).
100% Secure
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Step 1Open 4Easysoft iOS System Recovery on your computer, then connect your iPhone via a USB cable. Once detected, select "iOS System Recovery" from the home screen and click the "Start" button to move on to the next step.
Step 2The program will then analyze your iPhone's condition. For further fixes, click the "Fix" option to begin. Next, choose between "Standard Mode" to repair without data loss, or "Advanced Mode" for a full repair, which affects your data. Click the "Confirm" button.
Step 3Please verify your iPhone model and version shown on screen, then download the appropriate firmware package. Once you have got it, click the "Next" button to let the software repair the system and eliminate iPhone's unknown Error 4013.
Method 2: Check USB Cable and Port
A faulty cable or USB port can interrupt the communication between your iPhone and PC, triggering the error 4013.
1. Using the original Apple cable, disconnect and then reconnect your iPhone.
2. Try plugging into a different port on your computer.
3. Also, please avoid using extension cords. If the issue persists, try another certified Lightning cable.
Method 3: Update iTunes/Finder
Using an outdated iTunes or Finder can cause compatibility issues with your iOS device, leading to some iPhone error 4013 or other problems.
1. Open iTunes on Windows, then go to "Help" and select "Check for Updates".
2. For Mac, head to "System Settings", click "General", and select "Software Update" to make sure Finder is updated.
Method 4: Force Restart iPhone
Force-restarting your device can eliminate temporary bugs and minor crashes that prevent the restore process. Moreover, you can fix a frozen iPhone and other not working issues by force restarting.
1. Quickly press and release the "Volume Up" button and then do the same with the "Volume Down" button.
2. Next, hold down the "Power" button and wait for the Apple logo.
3. Try reconnecting your iPhone to your computer.
Method 5: Update or Restart Computer
Sometimes, the iPhone error 4013 lies within your computer, being out of date. Try updating or restarting it to ensure proper connection.
1. Ensure to save any work and restart your computer. Alternatively, check for "Windows Updates" or "macOS Updates", then install them.
2. Once done, launch "iTunes/Finder" and reconnect your iPhone and try restoring once again.
Method 6: Use DFU Mode
With iPhone DFU Mode, you can perform a deep restore that reloads both the firmware and iOS, often fixing the stubborn update errors.
1. Pair your iPhone with your computer first. Then, press and release the "Volume Up" button, then the "Volume Down" button. Now, hold the "Power" button and wait until your screen turns black.
2. While still holding the "Power" button, press and hold the "Volume Down" for about 5 seconds, and then release the "Power" button, but keep the "Volume Down" button held for another 10 seconds.
3. Now, in iTunes/Finder, you will see a message about your iPhone being in "DFU Mode"; please click the "Restore iPhone" button.
Method 7: Try Another Computer
After trying everything and still facing the iPhone error 4013, your computer may be the problem causing compatibility issues. Try another one to confirm it.
1. Use another Mac or PC with the latest iTunes/Finder version.
2. Then, connect your iPhone to it using a Lightning cable, and try restoring.
Tips for Avoiding iTunes Error 4013 in the Future
After successfully fixing iPhone error 4013, it is a nice idea to take steps beforehand to ensure the issue does not happen again. Here are some helpful tips to avoid facing the iPhone error 4013 in the future:
1. Always Use Original Apple Accessories. Connect your iPhone only with the Apple Lightning cable.
2. Update iOS and macOS/Windows. Keep both devices up to date to fix small glitches.
3. Keep iTunes/Finder Updated. Check for available updates to ensure the compatibility.
4. Maintain a Stable Internet Connection. Have a strong connection to avoid corruption during the restoration process.
5. Check for USB Ports. Make sure the ports on your computer are clean and working properly.
6. Restart Devices Regularly. Restarting both devices can help clear temporary glitches.
Conclusion
As you have seen here, the iPhone error code 4013 issue can be caused by temporary connection problems or minor system errors, all of which can be fixed with the proper steps. By following the methods above, you can safely and quickly get your iPhone back to normal. However, if you want a guaranteed solution, use 4Easysoft iOS System Recovery. This program repairs error 4013, update failures, black screen, and other iOS issues without risking your data. With just simple clicks, your iPhone can return to its normal state.
100% Secure
100% Secure
