If you see an error when you update or restore your iPhone, iPad, or iPod
Learn what to do if you see an error code or alert when you use your computer to update or restore your device.
Update your Mac or PC
Update your Mac. If you're using a PC, make sure that you have the latest version of the Apple Devices app or iTunes.
Plug your device directly into your computer
Plug your iPhone, iPad, or iPod directly into your computer's USB port (not into an attached keyboard or USB hub). Make sure that the cable is in good condition.
Make sure that your device is unlocked. If prompted, trust your device.
If you still see an error alert, try a different Apple USB cable or switch to a different USB port on your computer.
Restart your computer and your device
Turn off your computer, then turn it on again. Next, restart your device.
Learn how to restart your iPhone, restart your iPad, or restart your iPod touch.
Check your computer’s security software
You might need to update, change, or uninstall software that could be interfering with your computer's connection with the Apple Devices app or iTunes.
Use a different computer
Update or restore your device on another computer that uses a different network.
If you still need help
Choose the error code or message that appears:
