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." 

Let your voice open the Google Assistant

Choose if "Ok Google" unlocks your phone or tablet

You can let "Ok 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.

On Pixel 3 phones, 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, touch and hold the Home button or say "Ok Google."
2. In the bottom right, tap More   Settings  Assistant.
3. Under "Assistant devices," select your phone or tablet.
4. Make sure Google Assistant and Access with Voice Match are turned on.
5. Turn on Unlock with Voice Match.

Teach the Google Assistant to recognize your voice

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

1. On your Android phone or tablet, touch and hold the Home button or say "Ok Google."
2. In the bottom right,  tap More   Settings  Assistant.
3. Under "Assistant devices," select your phone or tablet.
4. Make sure Google Assistant is on.
5. Tap Voice model Retrain voice model.
6. Follow the steps to record your voice.