whats is 2003 error
The iphone “iphone” could not be restored. An unknown error
occurred (2003).
This message was inserted before my iphone update. How will my problem be resolved?
iPhone 5s
Take a look here:--> Get help with iOS update and restore errors - Apple Support
Click on "2000" family error codes.
If you get no help, contact Apple support, as suggested in the above support article.
Regards
Giulio