Access the Google Assistant with your voice

You can use Voice Match on your phone or watch to talk to the Google Assistant by saying "Ok Google" or "Hey Google."

If you're using a speaker or Smart Display with Google Assistant built-in, learn how to use Voice Match to link your voice to the device.

Turn the Google Assistant on or off

  1. On your Android phone or tablet, touch and hold the Home button or say "OK Google" or "Hey Google."
  2. In the bottom right, tap Explore & Your stuff.
  3. In the top right, tap your profile picture or initial and then Settings and then Assistant.
  4. Under "Assistant devices," select your phone or tablet.
  5. Turn Google Assistant on or off.

Let your voice open the Google Assistant

Phone or tablet

On Android phones running Android 5.0 and up, you can use your voice to talk to the Google Assistant even when your phone is locked. Learn how to control what info you see and hear.

  1. On your Android phone or tablet, touch and hold the Home button or say "OK Google" or "Hey Google."
  2. In the bottom right, tap Explore & Your stuff.
  3. In the top right, tap your profile picture or initial and then Settings and then Assistant.
  4. Under "Assistant devices," select your phone or tablet.
  5. Turn on Google Assistant.
  6. Turn on Access with Voice Match.

If you turn off Access with Voice Match:

Watch
  1. If your watch screen is dim, tap the screen to wake it up.
  2. On the watch screen, swipe down from the top.
  3. Tap Settings Settings and then Personalization.
  4. Turn on "OK Google" detection.

Teach the Google Assistant to recognize your voice

  1. On your Android phone or tablet running Android 5.0 and up, touch and hold the Home button or say "Ok Google" or "Hey Google."
  2. In the bottom right, tap Explore & Your stuff.
  3. In the top right, tap your profile picture or initial and then Settings and then Assistant.
  4. Under "Assistant devices," select your phone or tablet.
  5. Make sure Google Assistant is on.
  6. Tap Voice model and then Retrain voice model.
  7. Follow the steps to record your voice.

Let "Ok Google" and "Hey Google" unlock your phone or tablet

You can let "Ok Google" and "Hey Google" unlock your device when the Google Assistant recognizes your voice. This setting can make your device less secure. A similar voice or recording of your own voice could unlock your device.

Important: On phones running Android 8.0 and up, you can’t unlock your phone by saying "Ok Google." Instead, you can use the Google Assistant on your lock screen. Learn how to control what information you see and hear.

  1. On your Android phone or tablet running Android 5.0 and up, touch and hold the Home button or say "Ok Google."
  2. In the bottom right, tap Explore & Your stuff.
  3. In the top right, tap your profile picture or initial​ and then Settings and then Assistant.
  4. Under "Assistant devices," select your phone or tablet.
  5. Make sure Google Assistant and Access with Voice Match are turned on.
  6. Turn on Unlock with Voice Match.

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