Owners manual

10
To check the battery charge
level
1. On the home screen, touch
Applications tab and select
Settings > About phone >
Status .
2. The battery status (charging,
discharging) and level (as a
percentage of fully charged)
are displayed at the top of the
screen.
To monitor and control what
uses the battery
1. On the home screen, touch
Applications tab and select
Settings> About phone>
Battery use .
2. The top of the screen displays
battery usage time. Either how
long since last connected to a
power source or, if connected
to a power source, how long
you were last running on
battery power. The body of the
screen lists applications or
services using battery power
from greatest amount to least.
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, this may cause
your phone to malfunction.
WARNING: If you install and use an
OS other than the one provided by
the manufacturer, your phone is no
longer covered by the warranty.
WARNING: To protect your phone
and personal data, download
applications only from trusted
sources, such as Android Market.
If some applications are not
properly installed on your phone,
your phone may not work normally
or a serious error can be occurred.
You will need to uninstall those
applications and all of its data and
settings from the phone.
4. Using Unlock pattern
Set unlock pattern to secure your
phone. Opens a set of screens
that guide you through drawing a
screen unlock pattern.
Important notice
GT540_QRG_E_Open_0518.indd 10 2010.5.20 11:35:22 AM