How to set up “Hey Siri” on my iPhone?

iPhone steps:

1. Launch the Settings app
2. Scroll down to Siri & Search
3. Tap the toggle switch next to Listen for “Hey Siri” (turns green when On)
4. Tap Enable Siri
5. Set up “Hey Siri” page is displayed. Tap Continue
6. You will be asked to speak into iPhone starting with “Hey Siri”
7. “Hey Siri” ready page is displayed. Tap Done
8. “Hey Siri” is now activated through your voice on that iPhone