Low light pushes a phone camera harder than almost any other condition — the sensor is small, and there's simply less information for it to work with. You can't fix that with a setting alone, but a handful of habits make a real difference in how usable the result is.
Find the light before you find the angle
A single warm light source — a lamp, a window, a streetlight — gives the camera something consistent to expose for. Position your subject so that light falls across their face rather than behind them, and the rest of the composition tends to fall into place more easily.
Hold still longer than feels necessary
In low light, the shutter stays open longer to gather enough light, which means camera shake shows up far more easily than in daylight. Brace your elbows against your body or a surface, and pause half a second after tapping the shutter rather than moving immediately.
Avoid the flash when you can
In plain words A phone's built-in flash is small, harsh and close to the lens — it flattens faces and blows out anything near it. A dimmer, more natural shot usually edits better than a flash shot.
Phone flashes sit right next to the lens, which produces flat, washed-out faces and red-eye. A slightly underexposed, natural shot almost always has more detail to work with afterward than a flash-lit one.
Expose for the subject, not the whole scene
Tap directly on a face or the brightest part of your subject to set exposure there — letting the camera average the whole frame in a dim room usually means your subject ends up a silhouette against whatever light source is in the background.
Edit down, not up
It's easier to add a touch of brightness to a well-exposed low-light photo than to recover detail from one that was blown out trying to brighten the scene at capture time. When in doubt, shoot slightly darker than feels right and adjust afterward.
The bottom line
Low light won't ever behave exactly like daylight, but stillness, a single good light source, and exposing for your subject will get you most of the way to a photo worth keeping.
Give it a try
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