Learn what to do if see an error code or alert when you use your computer to update or restore your device.
Plug directly into your computer
Plug your iOS device directly into your computer’s USB port (not into an attached keyboard or USB hub).
Turn off your computer and your device. Then turn them on again.
Check your computer’s security software
Update or restore your device again.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners.