Mixed-Bag of Articles of every type. Go through this section and you will have the world to Explore.
7) Use flash sparingly

While more light is generally good, when it all comes from a small point source, skin can look harsh and odd colored, particularly as the flash is often a different color from the surrounding light. Flash has its place, but try to stick to environmental light when possible.

13 Tips for Shooting Low Light Photos on your Phone
Flash on vs. stabilized with flash off – Abe’s handsome visage is flattered by the environmental light