jack dubrowski
Level 1 (8 points)
Windows Software

Q: what does it mean : unknown mistake (-1) .This error message appears during update of my Ipad 3

What  does this error message means? Unknown mistake (-1). It appears during update of my IPAD3

iPad

Posted on Aug 1, 2016 6:05 AM

by KiltedTim,Apple recommended
KiltedTim KiltedTim
Level 9 (56,361 points)
Mac OS X
A:

Get help with iOS update and restore errors - Apple Support

 

That error almost always indicates a hardware failure.

Posted on Aug 1, 2016 6:07 AM

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jack dubrowski

Q: what does it mean : unknown mistake (-1) .This error message appears during update of my Ipad 3

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