Checking the battery charge
level
1
In the Home screen, touch the
Applications tab, then select
Settings > About phone >
Status.
2
The battery status (Charging,
Not charging) and level
(percentage charged) is
displayed at the top of the
screen.
Monitoring and controlling what
uses the battery
1
In the Home screen, touch the
Applications tab, then select
Settings > About phone >
Battery use.
2
Battery usage time is displayed
at the top of the screen. It tells
you how long it has been 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 operating
system
If you install and use an open
source operating system (OS) on
your phone rather than using 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 is no longer covered by
the warranty.
37