error in update

Please indicate the exact error message and any numbers that accompany it. No one is going to call you, this is a user to user support forum. If you want to talk to Apple directly, then you need to use the Contact Us link at the bottom of these pages. Otherwise, describe the error as indicated above and wait for an answer.

If the phone is off, then try this support document. If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support