Brand new samsung s9: selfie camera dual 8 mp, f/1.7, 25mm (wide), 1/3.6", 1.22μm, af, 2 mp (dedicated iris scanner camera). features dual video call, auto-hdr. video 1440p sound loudspeaker yes, with stereo speakers. comms wlan wi-fi 802.11 a/b/g/n/ac, dual-band, wi-fi direct. positioning gps, glonass, bds, galileo.