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User profile for user: Redyukfoo
Redyukfoo Author
User level: Level 1
5 points

when attempting an update on iPhone, error code (4000) unknown error, any suggestions?

when attempting an update on iPhone, error code (4000) unknown error, any suggestions?


iPhone 7, iOS 10

Posted on Apr 9, 2021 9:11 PM

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User profile for user: SravanKrA
SravanKrA
Community+ 2024
User level: Level 10
417,242 points

Posted on Apr 10, 2021 12:52 AM

See this --> If you see an error when you update or restore your iPhone ...


Or this --> iOS update and restore errors - Apple Support


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when attempting an update on iPhone, error code (4000) unknown error, any suggestions?

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