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I use my itunes to update my iphone 8plus software. but today it showed a pop-up message saying :
The iphone "iphone" could not be updated. An unknown error occurred (4000).
I restart my phone and its still the same. my itunes is up to date when i checked it.
i'm using a Windows 10 laptop.
This is the first that happened.
no i did not try updating using my phone.
Windows, Windows 6
Hey grimcharmer,
Thanks for asking Apple Support Communities about the issue you're having while trying to update your iPhone using iTunes. Be sure your iPhone is unlocked when you start the update. If the issue continues, take a look at the tips and steps in the following guides:
If you see an error when you update or restore your iPhone, iPad, or iPod
If the issue continues, we recommend reaching out to Apple Support directly. They can be reached here: Contact Apple Support
Thanks again, and have a wonderful day!
Hey grimcharmer,
Thanks for asking Apple Support Communities about the issue you're having while trying to update your iPhone using iTunes. Be sure your iPhone is unlocked when you start the update. If the issue continues, take a look at the tips and steps in the following guides:
If you see an error when you update or restore your iPhone, iPad, or iPod
If the issue continues, we recommend reaching out to Apple Support directly. They can be reached here: Contact Apple Support
Thanks again, and have a wonderful day!
i unlocked my phone but still didn't work. the only tips i read that worked is disabling the passcode option. and it worked.
The iphone "iphone" could not be updated. An unknown error occurred (4000).
