- To find these options, head to Settings > Privacy > Analytics & Improvements. You’ll find the Analytics & Improvements option at the bottom of the Privacy screen.
- Ensure the “Improve Siri & Dictation” option here is toggled off.
- To delete the history from Apple’s servers, head to Settings > Siri & Search > Siri & Dictation History.
- Tap the “Delete Siri & Dictation History” to delete all the stored Siri interactions from Apple’s servers.