HT201954: Unauthorized modification of iOS can cause security vulnerabilities, instability, shortened battery life, and other issues

Learn about Unauthorized modification of iOS can cause security vulnerabilities, instability, shortened battery life, and other issues
ken48
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Q: the iphone 4s'' iphone 4s'' could not be res Restoed Unknown error occurred(21)

the iphone 4s'' iphone 4s'' could not be res Restoed Unknown error.thank

iPhone 4S, iOS 5.1.1

Posted on May 28, 2012 10:39 AM

by gdgmacguy,Solvedanswer
gdgmacguy gdgmacguy
Level 7 (21,239 points)
iPhone
A:

iOS: Resolving update and restore alert messages

Posted on May 28, 2012 5:17 PM

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ken48

Q: the iphone 4s'' iphone 4s'' could not be res Restoed Unknown error occurred(21)

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