How to enable Assistive Light in Samsung smart phones?
STEP 1. ENABLE ASSISTIVE LIGHT THROUGH WIDGET
CLICK HERE to know about Assistive Light in Jelly Bean 4.1.
CLICK HERE to enable Assistive light in Samsung Galaxy Note3 (SM-N900).
a). From the Home screen, tap on Apps as shown below :
b). Go to Widget section and search for Assistive Light Widget. See below for reference :
c). Add the widget to the home screen and touch to switch ON the feature as shown below :
1). Due to battery constraint one cannot use the Assistive light for long hours.
2). Assistive light widget is available only for those devices that has LED flash light at the back.