Error 4013
I do all step see in apple support but still show error 4013
iPhone X
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If you see error 9, 4005, 4013, or 4014 when you restore your iOS device - Apple Support
https://support.apple.com/ht201444
If you still have problems:
Click here --> https://support.apple.com/choose-country-region Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.
or:
Contact Apple for support and service --> "See a list of Apple phone numbers around the world."
Click here --> https://support.apple.com/HT201232