Mzaied

Level 1 (4 points)

Windows Software

Q: an unknown error occurred (-1)

when restore and update my iPhone 5 stopped and send this massage ( the iPhone couldn't be restored . an unknown error occurred (-1)

iPhone 5, iOS 9

Posted on Sep 28, 2016 11:07 PM

I have this question too

Q: an unknown error occurred (-1)

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Helpful answers

by Jonathan UK,Helpful

Jonathan UK Sep 29, 2016 7:57 AM in response to Mzaied
Level 8 (35,896 points)

Apple Watch

Sep 29, 2016 7:57 AM in response to Mzaied
Hi

Follow the general steps here:

If you see an error when you update or restore your iPhone, iPad, or iPod - Apple Support

If the issue then persists, follow the instructions here for error number 1:

Get help with iOS update and restore errors - Apple Support
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