Setting the appropriate settings is a first step, however identifying key rules of composing your frames with regards to light direction, quality and temperature will skyrocket your shots.
The tools: Hardware & Software assists.
When it comes to low-light situation several words ring the bell: Aperture, Sensor-Size, Noise, Shutter Speed, Stabilization
Sensors have evolved into low-light monsters – even in mobile hardware – as well as software and AI-backed optimization to final renders of mobile images.