The one plus 3t is best performming mobile because it runs with 6 GB Ram and 64 GB Rom and it runs in dual android. Another one is oxygen OS And it runs nougat 7.1.1 and it runs qualcollum 821 snapdragon quad - core processer ( 2.35GHz) . It is 16 MP pimary camera and 16 MP front camera. It is frount mounted fingerprint sensor. Hall sensors, gyroscope sensor, acceleometer sensor, primioxry sensors, ambient light sensors, electronic compass sensors.I reccomend to buy this mobile