Apps and processes are listed from highest to lowest percentage of power consumption. Review any high or unusual battery drain.
From a Home screen, navigate: Apps icon > Settings > Battery.
Review the current battery status. Percentage indicates the remaining battery life, charging status. Charging status is only displayed if device is connected to a charger.
Charging on USB
Charging at lower rate
Charging on AC
Charging at standard rate, preferred method
Tap the battery history graph (located below the battery percentage) then view the history of battery usage. The Battery history graph displays the time since it was last charged to 100%.
Battery Usage line graph.
Color coded Cellular network signal bar graph. Signal strength has an effect on battery life.
Green
Very Good
Gray
Good
Gold
Moderate
Yellow
No Signal
Red
Scanning
Black
Radio Off
Color coded bar graphs for Wi-Fi, Awake, Screen on and Charging.
Wi-Fi: Wi-Fi radio is on/off.
Awake: Running tasks/apps, however the screen is not necessarily on.
Screen On: Indicates the screen is visible, not in standby.
Charging: Indicates when a device is plugged into a charger and charging.
The charging line shows periods of partial charging (in green) since the last complete charge.