Don't worry when your iPhone is in this situation. Because these things are very common. Your phone may be error code 4014 or 4013 because of the wrong operation or other factors, and you may also be using the iTunes upgrade and occur the case, then, how do we deal with it?
We can use professional software Dr.Fone for iOS to deal with the situation. The software is designed specifically for the iOS device, which has many practical functions. Which iOS System Recovery can solve your problem. The function is to repair all kinds of problems in the iOS System, such as iPhone/iPad stuck in recovery mode loop or iTunes logo, Phone/iPad can't get out of DFU mode, iPhone/iPad turns into white Apple logo screen/white screen of death. And your situation also belongs to the scope of its repair. And it doesn't cause your cell phone data to be lost. You can use simple steps to repair your mobile phone.
Steps to Repair iTunes or iPhone Error 4013/4014:
Step 1. First, you need to download the Dr.Fone for iOS on your computer, and then install and run it. Next, as you can see, the left column of the program interface has four icons, click on "More tools", select "iOS system recovery". At the same time, you need to connect your iPhone to your computer by USB line.
Step 2. When your phone is connected to the computer, you need to click "start", the program will enter another interface. At this point, the program will require you to download the corresponding iOS firmware. The program will automatically provide you with the latest version of the iOS. You just need to click "download".
Step 3. When the firmware download is complete, the program will automatically enter the recovery mode, the process may take you a few minutes. When the process is complete, the program will tell you that your device is restarted to normal mode. Finally, when your mobile phone repair is completed, the program will display the "repair operating system is done”.
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