Apple is relying on an opt-in procedure: When activating Siri AI, the manufacturer asks for help in improving the chatbot, as developers with access to the release candidate of iOS 27 report.

The update will be released to the public on Monday, September 14.

You can either agree to this or press a visually inconspicuous “Not now” button. The dialog cannot be completely dismissed. Users can switch it off again after activation in “Settings > Analysis & Improvements”.