To access your email, contacts and calendar, and to get apps from the Google Play Store, you can add accounts to your phone. When you add a Google account, info associated with that account automatically syncs with your phone.
When you remove an account, everything associated with that account is also deleted from your phone. This includes email, contacts and settings.
- Open your phone's settings app.
- Tap Accounts. If you don't see 'Accounts', tap Users and accounts.
- Tap the account that you want to remove Remove account.
- If this is the only Google Account on the phone, you'll need to enter your phone's pattern, PIN or password for security.