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What is error 4000? The error message when trying to update says "The iPhone could not be updated. An unknown error occurred (4000).

What is error 4000? The error message when trying to update says "The iPhone could not be updated. An unknown error occurred (4000).

iPhone 11

Posted on Jun 2, 2021 7:38 PM

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Question marked as Top-ranking reply

Posted on Jun 2, 2021 7:40 PM

Try updating wirelessly.

https://support.apple.com/en-us/HT204204

1 reply

What is error 4000? The error message when trying to update says "The iPhone could not be updated. An unknown error occurred (4000).

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