How to fix an unknown error occurred (3004) in iTunes (Nothing else worked)
What is iTunes error 3004? What is it caused by?
Also known as device could not be restored. An unknown error occurred (3004), this error shows up when you try to restore your iPhone, iPad or iPod touch via iTunes, using your computer, in the middle of the process. Sometimes, this error occurs when you try to update to the latest iOS version, and when restoring is required along the way.
The common reasons behind this error include:
- Outdated iTunes software installed on your computer;
- Corrupt update files;
- Antivirus software settings;
- Damaged or fake lightning cable;
- Corrupt iTunes files.
Read along and discover detailed, and step-by-step solutions to fix this iTunes error. Make sure to read the solutions carefully, and follow them to the letter.
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Update or restore your device from another computer
0(1)0(0)If none of the other solutions worked and the error 3004 is still around, try to update (or restore) your device from another computer, with a different Internet connection, as maybe your computer, or your Internet connection is the culprit.
To restore your device, follow the instructions below:
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Replace the USB cable
0(0)0(0)If none of the other solutions worked, update or restore your device with another USB cable. If the process went uninterrupted, the USB cable was causing the error 3004 and you should consider replacing the USB cable, so that next time, this error won't appear.
Note: Make sure to buy a new and unused USB (lightning) cable, and a genuine one, as fake copies of lightning cables can cause issues, too.
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