The 16 - megapixel camera found on last year's Samsung Galaxy
S6 uses phase detection autofocus (PDAF) regardless of whether you're looking at the model with Sony's IMX240 sensor or the one using Samsung's in - house ISOCELL sensor.
Not exact matches
The Galaxy
S6 and most other smartphones
use phase detection for autofocus, but the Galaxy S7 and S7 edge
use dual photodiode pixel autofocus.
Apple introduced
phase detection autofocus (PDAF) in the iPhone 6 and the iPhone 6 Plus, Samsung
used PDAF and an f / 1.9 aperture in the Galaxy
S6 and Galaxy
S6 Edge, and LG
used laser focus, a color spectrum analyzer, and an f / 1.8 aperture in the G4.