If you are interested in the Samsung Galaxy S5 Mini then you certainty dealed with the question whether the smartphone has a notification LED. The notification LED indicates to the user that a new notification on the smartphone is received. You can very easily see about the color of the LED light what type of notification it is.
In general, such a LED is installed only in the "big" smartphones, but the Samsung Galaxy Mini S5 makes an exception.
The Samsung Galaxy S5 Mini has installed a notification LED in the top left.
Thus you can recognise new unread notifications by the LED on the Samsung Galaxy S5 Mini.