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[Ugoforeigner]

Please why is that my samsung galaxy note 4 can't take a clear pic in a dark place???

 

[Rukbat]

Because it's taking a long exposure, so you have to keep the camera absolutely still (as in "on a tripod") for the entire exposure. Even a half-decent camera with a 0.95 lens (which is about the largest lens used for non-military night shots) needs at least a few flashes located around the scene to get a decent shot. And a phone camera is about f2.2, so it's about 6 times less sensitive to light, requiring about (it's not an exact one-to-one situation) 6 times longer exposure. And with the little LED "flash" on a phone (it's good up to about 6 feet), the camera is taking the picture in the dark, so it's probably trying to take an 8 second or so exposure - which no human being can hand hold.

It's great if you want a dark scene with highlights, like a little brightly lit snow and a green traffic light in the distance in an otherwise dark scene. That's kind of striking. But at a party with the lights down low, you'll be lucky to get anything recognizable if you hold the phone in your hands, unless your subject is a few feet away. (One handed shots in dark places are a useless waste of finger motion.)