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To check the battery charge
level
On the home screen, touch
Applications
tab and select
Settings
>
About phone
>
Status
.
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
On the home screen, touch
Applications
tab and select
Settings> About phone>
Battery use.
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.
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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, 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 occur.
You will need to uninstall those
applications and all of its data
and settings from the phone.