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what is error 4000

i was unable to update iOS 14.3 on my handset Apple 7. So I've to do it using my laptop of HP by installing itune .while backing up my iphone its showing error 4000.please tell how to install iOS 14.3 on my iphone using hp laptop

iPhone 7, iOS 10

Posted on Jan 10, 2021 1:46 AM

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what is error 4000

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