User guide

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also monitor how applications and system resources use
battery power.
To extend the life of your battery:
Turn off radio communications that aren't in use. Turn
off Wi-Fi, Bluetooth or GPS when not in use.
Turn down screen brightness and set a shorter screen
timeout.
Turn off automatic syncing for Gmail, Calendar,
Contacts and other applications.
Some applications you have downloaded may reduce
your battery’s life.
To check the battery charge level:
On the home screen, touch the Applications tab
and select Settings > About phone > Status.
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The battery status (charging, discharging) and level
(as a percentage of a full charge) are displayed at
the top of the screen.
To monitor and control battery use:
On the home screen, touch the Applications tab
and select Settings > About phone > Battery use.
The top of the screen displays the battery usage
time. This is either how long since your phone was
last connected to a power source or, if connected to
a power source, how long since your phone last ran
on battery power. The body of the screen lists the
applications or services using battery power, from
highest consumption to least.
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3. Installing an open source OS
If you install an open source OS on your phone and
do not use the OS provided by the manufacturer, your
phone may malfunction.
WARNING
If you install and use an OS other than the one
provided by the manufacturer, your phone will not
be covered by the warranty.
WARNING
To protect your phone and personal data, only
download applications from trusted sources such as
Android Market. If some applications are incorrectly
installed on your phone, your phone may not work
properly, or serious errors may occur. You will need
to remove these applications and all their data and
settings from the phone.
4. Using unlock pattern
Set unlock pattern to secure your phone. This opens a
set of screens that guide you through drawing a screen
unlock pattern.
You can draw your own unlock pattern by connecting
Important notice