Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address

The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.

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nazooh Author

Level 1

4 points

showing an error (code 4000) in my phone while updating through itone.

showing an error (code 4000) in my phone while updating through itune.

Posted on May 25, 2021 2:24 AM

Best reply

ProustGiulio

Level 10

208,151 points

Posted on May 25, 2021 2:30 AM

Keeping in mind that this workaround can affect keychain and/or Apple Pay (if in use, you might need to re-input data), try these steps to solve error 4000:

Disconnect your device from the computer
Temporarily disable the passcode on your iPhone
Restart the iPhone
Restart iTunes
Reconnect the iPhone to your computer and restart the update procedure.

When finished, re-enable your passcode on your iPhone.

Regards

Giulio

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showing an error (code 4000) in my phone while updating through itone.

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