Using Siri handsfree

Apple iPhone 7 on iOS 15.0.0

Enable "Hey Siri" to access Siri hands free on your device. Siri can do things like send a text

1.
From the Home screen, tap Settings.
Step 1/10
2.
Scroll to Siri & Search.
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3.
Tap Siri & Search.
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4.
Tap or slide the Listen for "Hey Siri" switch to ON.
Step 4/10
5.
Tap Enable Siri.
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6.
Tap Continue.
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7.
Follow the onscreen prompts, speaking the requests into your microphone.
Step 7/10
8.
Tap Done.
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9.
Speak "Hey Siri" followed by a request.
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Step 10 of 10:
You've completed the steps!
Step 10/10