Uk galaxy a42: selfie camera single 20 mp, f/2.2, (wide). features hdr. video 1080p comms wlan wi-fi 802.11 a/b/g/n/ac, dual-band, wi-fi direct. features sensors fingerprint (under display, optical), accelerometer, gyro, proximity, compass. weight 193 g (6.81 oz). display type super amoled.