What to do when your Google Assistant is not working?
Tap on Voice, followed by Voice Match, to view the Assistant’s voice settings menu. On the resulting screen, enable the option that says Hey Google . your app name to their account.
It’s possible that the reason why Google Assistant is not working is that it doesn’t recognize your voice. This is easy to fix, as all you have to do is retrain the voice model. Here’s how to do it: Open the Google app on your phone, select the “More” option at the bottom of the screen, and then tap “Settings.”