UK samsung s9 plus: Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame. Resolution 1440 x 2960 pixels, 18.5:9 ratio (~529 ppi density). Comms WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct. Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate.