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Level 1

8 points

error code 4000

got error code 4000 when trying to update my iPhone

Mac Pro, macOS 10.13

Posted on May 7, 2021 3:53 PM

Top-ranking reply

Level 9

51,929 points

Posted on May 7, 2021 3:55 PM

try to update your iPhone using wifi instead of your computer..

If unable, you may have to disable your passcode, update, turn your passcode back on.

I believe doing this will remove credit cards from your wallet

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