An unknown error occurred (75)

When trying to update my iPhone 7 Plus I received this message "The iPhone “iPhone” could not be updated. An unknown error occurred (75)."


How do I resolve it?

iPhone 7 Plus, iOS 13

Posted on Mar 13, 2020 3:42 AM

Reply
2 replies

Mar 13, 2020 4:16 AM in response to Gideon.bina

Your iPhone 7 is still currently supported.

Try this: Tap Settings on the Home screen>Go to General> Tap 'Software Update'. The screen will briefly show a spinning cogwheel. Where it says Automatic Updates, toggle the swith to read ON and follow the prompts. Your phone will need to be plugged in to a power supply.

If you have selected to receive Automatic Updates, you should see this:


When the task is complete, the Auto update screen should look like this:


If you have followed the prompts, you should be good to go.

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An unknown error occurred (75)

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