The Google Assistant was introduced with Android 7 Nougat and with it, came the ability talk to your AI assistant. There has been the ability to search for anything on the Google app via voice commands but, a new feature is rolling out to devices that have Google Assistant which is different than just a voice search. Using the hotword “Hey Google” or “OK Google,” people can launch the Google Assistant and invoke a search.
This feature was introduced back in October but, it was only available on a handful of devices. Now, a larger rollout of this feature has begun for devices that have Google Assistant support. Google also recently started seeding out Google Assistant support for Android 5 Lollipop users.
A notification asking people to re-setup the voice model (which is required for the new command to work) has appeared on many devices. If a user has not received any notification of this kind, they can head over to Settings > Google > Voice and re-setup the voice model.
Once you re-setup the voice model, you can use either “OK Google” or “Hey Google” to open Google Search/Assistant. Just like with the old phrase, it even works when your screen is off, on some devices.
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