Iphone 7 plus specs: main camera: dual 12 mp, f/1.8, 28mm (wide), 1/3", pdaf, ois
12 mp, f/2.8, 56mm (telephoto), 1/3.6", af, 2x optical zoom. selfie camera single 7 mp, f/2.2, 32mm (standard). loudspeaker: yes, with stereo speakers. wlan: wi-fi 802.11 a/b/g/n/ac, dual-band, hotspot. positioning: gps, glonass, galileo, qzss.