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magnumpo Author

Level 1

8 points

unknown error 4000 on update

unknown error 4000 on update

Posted on Jan 29, 2021 7:58 PM

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Top-ranking reply

Community+ 2024

Level 10

413,828 points

Posted on Jan 29, 2021 8:29 PM

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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2 replies

Top-ranking reply

Community+ 2024

Level 10

413,828 points

Jan 29, 2021 8:29 PM in response to magnumpo

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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magnumpo Author

Level 1

8 points

Jan 29, 2021 9:13 PM in response to SravanKrA

Ran the update standalone on my iPhone itself, rather than connected to iTunes on my PC

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unknown error 4000 on update

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