If you use “OK, Google” for voice commands, you can use Smart Lock to unlock your phone when it recognizes your voice.

1. Make sure you have set a screen lock.
2. Go to Settings.

3. Touch Security & location > Smart Lock.

   If you don't see Smart Lock, try the following:

   • Update Google Play services. In the Google Search widget on your home screen, search for “Google Play services”, then touch the app to open it.
   • Go to Settings > Security & location > Advanced > Trust agents and enable Smart Lock.
4. Unlock your phone, then touch Voice Match.
5. Turn Access with Voice Match on . If you haven't already set up the “OK, Google” launch phrase, follow the onscreen instructions to record your voice.
6. Be sure Lock screen personal results is on .

1. At the lock screen, say “OK, Google”.

   Your phone unlocks and is ready for commands.

2. Speak a command to perform a task.

If the phone does not recognize your voice, then unlock it with your password, PIN, or pattern.

1. Go to Settings.
2. Touch Security & location > Smart Lock.
3. Unlock your phone, then touch Access with Voice Match.
4. Turn Lock screen personal results off .