Thanks to a sensor with a small aperture, the smartphone will be able to make great pictures in the dark.
Cameras in smartphones are getting better with each new smartphone, but in the darkness of a well photographed one. For quality photos in low light conditions you need a wider aperture.
The aperture transmits light through the camera lens. The larger the aperture, the more light hits the sensor and get better pictures in poor conditions.
LG V30 can be set to camera with aperture of f / 1.6, what would be the best indicator of the smartphone market. Now, with an aperture of 1.7, the leader of Samsung Galaxy S8. The difference seems quite small, but in practice it will look totally different.