Check which Google Account is signed into the Google Home app:
- Make sure your mobile device or tablet is connected to the same Wi-Fi network or linked to the same account as your speaker or display.
- Open the Google Home app .
- At the top right, tap your account.
- At the top of the screen, you'll find the Google Account you're currently signed into.
- To switch accounts, tap the triangle next to the Google Account, then tap another account or Add another account.