What is the Notification light in Samsung Galaxy S5(SM-G900H) color mean?

Samsung Galaxy S5 (SM-G900H) has a LED indicator in the top-left corner on the front of your device. When your screen is off the LED indicator notifies you of missed Notifications, Low battery, when the device is Charging or when you are recording voice.

(Notification light/LED Indicators in Galaxy S5)

Blue :

● Pulses in multi-tone blue while the device is turning on or off.
● Blinks blue for a missed call, message, or other notification.
● Blinks blue when you are recording voice.

Red :

● Glows red when the device is connected to a charger and is charging.
● Blinks red when the device is connected to a charger but there is a problem with charging.
● Blinks red when the battery is low.

Green : 

 
● Glows green when the device is connected to a charger and the battery is fully charged. 

  
NOTE : Some 3rd party SNS applications and messenger service may have their own inbuilt Notification light adjustment settings.