Your Google Account - HTC Nexus One User Manual

Android basics

Your Google Account

You must sign into a Google Account to use Gmail, Google Talk, Google Calendar, and
other Google Apps; to download applications from Android Market; to back up your
settings to Google servers; and to take advantage of other Google services on your
phone.
If you don't have a Google Account, you're prompted to create one.
If you have an enterprise Gmail account through your company or other organization,
your IT department may have special instructions on how to sign into that account.
Important Some applications, such as Calendar, work only with the first Google Account you add.
If you plan to use more than one Google Account with your phone, be sure to sign into
the one you want to use with such applications first.
When you sign in, your contacts, Gmail messages, Calendar events, and other
information from these applications and services on the web are synchronized with
your phone.
If you don't sign into a Google Account during setup, you are prompted to sign in or to
create a Google Account the first time you start an application that requires one, such
as Gmail or Android Market.
Important If you want to use the backup feature (see "Google services" on page 29) to restore
your settings to this phone from another phone that was running Android release 2.0
or later, you must sign into your Google Account now, during setup. If you wait until
after setup is complete, your settings are not restored.
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Nexus One User's Guide