The Samsung Galaxy S4 is an Android smartphone produced by Samsung Electronics. First unveiled on March 14, 2013 at Samsung Mobile.

Back-illuminated sensor (BSI), CMOS image sensor, Auto focus, Touch to focus, Digital image stabilization, Face detection, Smile detection, Exposure compensation, White balance presets, Digital zoom, Geo tagging, High Dynamic Range mode (HDR), Panorama, Scenes, Effects, Self-timer, Voice activation.