Apple users often face the iPhone error 4013 while trying to update or restore the device. It prevents them to update the device to the latest version of iOS via iTunes. This error comes with the message “iPhone could not be restored. An unknown error occurred (4013)”.

It is a hardware-related error that mostly occurs due to the faulty port or cable in the device. This error also might arise due to some connectivity issues between the iDevice and PC. 

When we connect the iPhone with the computer, it is recognized by the system and there seems to be no loss of the connection. But still, there can be some faulty cables preventing the transferring process from completing properly.

However, it is not a complicated problem. A lot of simple solutions can fix this error easily. So, have a look at the guide discussed below. Let’s begin with the fixes to deal with iPhone error code 4013. 

Effective Ways to Fix the iPhone Could not be Restored Error 4013

Before you start the troubleshooting procedure for iPhone error 4013, you should check the storage space on the device. Make sure that there is sufficient space to bring the latest update. You also need to confirm that the device is not running out of battery. 

After that, you can follow the methods stated below: 

Fix 1: Reboot the Device

Whatever the device you are using, rebooting always works like a charm to solve different types of errors. Hence, try to reboot the iPhone to troubleshoot the error. 

To do that, first, you have to disconnect the iPhone from the system. Then, press the Home button and Wake/Sleep button and hold them for about 10-15 seconds. On some particular devices, you can also use the Volume down button instead of the Home button.

After restarting the device, try to reconnect the iPhone to your PC.  

Fix 2: Check the Cables or Ports

A faulty port or cable is one of the common causes of this error. You can try the below steps in order to fix the error code 4013: 

• Try a different cable or port to connect the computer with the iDevice. 
• If you see that the error 4013 disappears after using a different port or cable, then the previously used cable or port was faulty. 

But, if you see that the error still persists, move on to the next solution.  

Fix 3: Reset All Settings 

Misconfigured Settings may also lead to the iPhone error code 4013. You can fix this by reconfiguring the Settings of the device.

How to Reset the Settings? 

First and foremost, restart the iPhone. Now, navigate to the Settings. Afterward, go to the left pane of the screen and tap on the General Settings. 

Tap on the Reset button. Also, tap on the ‘Reset All Settings’ option. Now, confirm the decision by providing the password of your iPhone. 

Once the resetting process completes, tap on the Finish button. Now, try to connect the device with the PC to check if the error is fixed. 

Fix 4: Check the Wi-Fi Connection

A slow or poor Wi-Fi connection can also create the error code 4013. To fix this issue, you can check the wireless connection of your device. To do that, perform the steps as follows: 

1. In the beginning, you need to disconnect the Wi-Fi on both the iPhone and your computer. 
2. Now, wait for a minimum of 10-20 seconds. 
3. Afterward, try to reconnect both of them with the network. 
4. If you see that the error is still unresolved, then try to use a different Wi-Fi network if possible. 

Else, you can update the iTunes and your iDevice to get rid of this error. 

Fix 5: Update the iTunes and Devices

An outdated iTunes application and expired system programs can also be the culprit behind this issue. So, if you want to avoid encountering this issue, you have to update the iTunes program to its latest version. 

Then, update the PC or Mac whatever you are using to their newest iOS version. Then, you can check whether the issue gets resolved. 

Fix 6: Enter the DFU Mode

You can also fix the error code 4013 by putting your device into DFU mode. DFU or Device Firmware Update is a state of the iDevice, where it can interface with the iTunes program. But, it doesn’t load the loot loader or the Operating System. 

So, do you want to know how to put the iPhone into DFU mode? Here are the steps you can perform to do that: 

1. First, connect the iPhone with the PC and open the iTunes application. 
2. Now, press the Home and Wake/Sleep button both at the same time and hold them for about 10-15 seconds. 
3. Thereafter, release the Wake/Sleep button. But, don’t release the Home button until you see the message ‘iTunes has detected an iPhone in recovery mode. You must restore this iPhone before it can be used with iTunes.’ 
4. Now, the screen of the iPhone will be completely black. If it is not, then you can repeat the above steps. 

After that, you should check if the error has been fixed. 

Additional Method: Using an Additional Repairing Tool

If all the above methods failed to fix the error code 4013, you can fix it using an additional repairing tool. Because, if the iTunes program gets corrupted or the iTunes version is obsolete, it may trigger the error code 4013 to appear. 

To solve this issue using a repairing tool, first, you need to visit the Apple Store. Then download and install a reliable iPhone repairing tool. Thereafter, you need to open it and choose the ‘Repair’ option from the next screen. 

Further, you can select the ‘iTunes Repair’ option and navigate to the ‘Repair iTunes Errors’ section. Now, the repairing tool will scan the entire system and check if the components of the iTunes program are working well. 

After that, if you see that the error persists, you need to use the ‘Advanced Repair’ option. To apply that, connect the iDevice with the PC and choose the ‘Repair iTunes Connection Issues’ option to troubleshoot error 4013. In the above guide, we have discussed 6 possible solutions with an additional method to solve the iPhone error 4013. After applying the above solutions, we hope it will help you to put an end to this bug.