Change "Ok Google" settings

You can talk to your Google Assistant by saying "Ok Google."  

On some devices, you can also say "Hey Google." Any settings for "Ok Google" also apply to "Hey Google." 

Turn "Ok Google" on or off

Choose the device you're using:

Google Assistant on phone or tablet

If you turn off "Ok Google," you can still talk with your Assistant by touching and holding the Home button on your phone. 

  1. On your phone or tablet, touch and hold the Home button or say "Ok Google."
  2. At the top right, tap Explore & Your stuff and thenMore More and then Settings.
  3. Under "Devices," select your phone or tablet.
  4. Turn on Google Assistant and then turn “Ok Google” detection on or off.
    • If you don’t see these steps, you’re using an earlier version of the Google app. Instead, tap "Ok Google" detection and then turn Say "Ok Google" any time on or off. 
Google Assistant on 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 "Ok Google" detection on or off. 

Choose if “Ok Google” unlocks your phone or tablet

You can let “Ok Google” unlock your device when your Google Assistant recognizes your voice. Note: This setting can make your device less secure. A similar voice or recording of your own voice could unlock your device.

Turn on
  1. On your phone or tablet, touch and hold the Home button or say "Ok Google."
  2. At the top right, tap Explore & Your stuff and then MoreMore and then Settings.
  3. Under "Devices," select your phone or tablet.
  4. Turn on Google Assistant and then turn on "Ok Google" detection and then turn on Unlock with Voice match.
    • If you don’t see these steps, you’re using an earlier version of the Google app. Instead, tap "Ok Google" detection and then turn on Trusted voice.
Turn off
  1. On your phone or tablet, touch and hold the Home button or say "Ok Google."
  2. At the top right, tap Explore & Your stuff and then MoreMore and then Settings.
  3. Under "Devices," select your phone or tablet.
  4. Turn off Unlock with Voice match. 
    • If you don’t see this setting, you’re using an earlier version of the Google app. Instead, turn off Trusted voice.

Teach your Assistant to recognize your voice 

If your Google Assistant isn’t responding to "Ok Google" on your phone or tablet, try these steps. 

  1. On your phone or tablet, touch and hold the Home button or say "Ok Google."
  2. At the top right, tap Explore & Your stuff and then More More and then Settings.
  3. Under "Devices," select your phone or tablet.
  4. Turn on Google Assistant and then Voice model and then Retrain voice model.
    • If you don’t see these steps, you’re using an earlier version of the Google app. Instead, tap "Ok Google" detection and then Retrain voice model.
  5. Follow the steps to record your voice.

Katie is a Google Assistant expert and author of this help page. Leave her feedback below about the page.

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