Users Manual
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










