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akm3326 Author

Level 1

4 points

An unknown error occurred (4000)

when i tried to update iphone IoS version 14.1 laptop using itunes (12.1) i get unknow error 4000

can you please help?

Posted on Dec 15, 2020 8:07 PM

Top-ranking reply

TheLittles

Level 10

197,697 points

Posted on Dec 15, 2020 8:14 PM

akm3326 Said:

"An unknown error occurred (4000) when i tried to update iphone IoS version 14.1 laptop using itunes (12.1) i get unknow error 4000 can you please help?"

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Use this Site: If you See an Error when you Update or Restore your iPhone, iPad, or iPod - Apple Support

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An unknown error occurred (4000)

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