When you set up your phone, you were prompted to add a Google account. If you skipped this, be sure to set one up now so you can download apps from Play Store, get a customized information feed, and take full advantage of the Calendar, Gmail, and other apps included with your account.
You can also add other web accounts.
For each account, you can control which of its features and apps sync with your phone.
To add a Google account:
You can add corporate email accounts, personal email accounts, or other accounts. Many social networking accounts are automatically set up when you install the app.
Do one of the following:
If you remove an account, information you synced will be removed from your phone, but it is not deleted from your account.
To remove the Google account you used to set up your phone, you must reset your phone.
To remove other accounts: