What is 'iPhone error code 4013'?
iPhone error code 4013 is a common bug and occurs during a restore or update through iTunes that prevents the update or restore from happening. It could be due to a defective USB cable, port or poor WIFI connection. You may see the error message, "The iPhone [device name] could not be restored. An unknown error occurred (4013)."
How can you fix 'iPhone error code 4013'?
Some of the common fixes include:
- Testing the USB port and cable
- Testing the hardware
Please see our in-depth walk-through solutions below.
1. Test USB port and USB cable
Probably, your connection between iPhone and your computer might be causing the problem "iPhone error 4013." You might want to test your USB cable and ports.
- Remove all USB connected device except for the keyboard and mouse.
- Log in as an Administrator.
- Update iTunes to the latest version.
- Disable any anti-virus installed on your PC or OS X.
- Use the iPhone USB cable or a high-speed USB cable to connect to your computer.
- Test all USB port.
- Borrow a USB cable.
If the error still persists, your iPhone NAND or the storage device corrupt, please see solution 2.
2. Test Hardware
If the problem is caused by a faulty hardware you, it is highly advisable to do DFU restoration multiple time before declaring hardware failure. If it does not work, the "iPhone error 4013" caused by a faulty hardware, please send your device to Apple service center for warranty claim. But if your device is out of warranty and you want to diagnose it by yourself, try the guide below.
Try to replace your battery or if you remove the original battery return it and do a DFU mode. If you do know how to use a multitester, test your battery if it is dead. A voltmeter will have an output of 0 if the battery is dead.
Try removing LCD module and do DFU mode. If DFU mode succeeded in restoring your, therefore LCD module is faulty. A part of the LCD module might cause the problem. The camera attached to the LCD module most likely the cause of the error.
All test fails, the cause may be a corrupt NAND or the storage device might be unreachable. A corrupt NAND chip or damaged mainboard may also cause the error. Please send your device to Apple service center for repair. If Apple service center rejects the repair, some third-party cell phone repair shops have tools and skills that can reprogram corrupted NAND chip. Please note that bringing your phone to a third-party repair shop may void its warranty.