Uk iphone 6s (32gb): Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer. Type Li-Ion 1715 mAh, non-removable (6.91 Wh). Build Glass front (Corning-made glass), aluminum back, aluminum frame. Resolution 750 x 1334 pixels, 16:9 ratio (~326 ppi density).