User's Guide
12
cable/Charger and/or in a hazardous environment
will compromise the intrinsically safe nature of the
device.
Verifying and Optimizing Battery Usage
To check the battery usage status and also close some
applications to save battery power, select Settings >
Battery.
The current battery charge status (charging or
discharging) and the charge level details are displayed
on the top of the screen.
The discharge graph (visible upon tapping the battery
image) shows the battery level over time since you last
charged the device.
The list at the bottom of the screen shows the
breakdown of battery usage for individual applications
and services. Touch any listed items for more details.
The details screen for some applications includes
options that allow you to adjust settings aecting
power usage, or stop the app completely.
If you stop some system apps or services such as
Google service, your device may not work correctly.
Tips to extend the battery life
Follow these tips to extend your phone’s battery life.
If you are using Wi-Fi, Bluetooth, or GPS, use the
Quick Settings or Phone Settings to turn them o.
Move Maps or Navigation apps to background
when you are not using them. They use GPS (and
thus more power) only when they’re running.
Set screen brightness to Auto and set a shorter
Sleep timeout (1 minute). The display settings are
located in Settings > Display.
If you are travelling and do not have access to
mobile or Wi-Fi network, switch to Aeroplane
mode. Drag down the notification bar and locate the
Airplane mode icon ( ). Tap the Aeroplane icon
to enable/activate Aeroplane mode ( ).
Battery Usage Guidelines