Level 1

7 points

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

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1 reply

Level 10

164,021 points

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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an unknown error occurred (-1)

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