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updating itunes on pc

An unknow error occured 4000 error

iPhone 11, iOS 14

Posted on Jan 30, 2021 12:58 PM

Top-ranking reply

turingtest2

Level 10

274,822 points

Posted on Jan 30, 2021 1:33 PM

Presumably you're trying to update iOS not iTunes. The workaround for this error is to disable Find My iPhone on the device before tying to update with iTunes for Windows.

For general update problems see If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support. If you're trying to update over the air try using iTunes instead, or vice versa.

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updating itunes on pc

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