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nicklow89 Author

Level 1

8 points

error code 4000

I tried to update my iphone to the latest IOS using my computer’s iTunes but it kept saying unknown error. Error code 4000. What should I do next?

iPhone X, iOS 13

Posted on Mar 2, 2021 1:52 AM

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Top-ranking reply

Community+ 2024

Level 10

413,900 points

Posted on Mar 2, 2021 3:32 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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1 reply

Top-ranking reply

Community+ 2024

Level 10

413,900 points

Mar 2, 2021 3:32 AM in response to nicklow89

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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error code 4000

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