Oneplus 3t is the beautiful smartphone, made up of metallic alluminium structure. Its display is 1920*1080 pixels best clearency smartphone. It has 401 ppi (pixel per inch). It has 16 megapixels front camera(samsung sensor) and it has 16 megapixels rear camera (sony sensor). It runs on android v6.1.1 and it is upgradable to nougat v7.1.1 . It has dual android another one is oxygen OS v4.1.1 to get best performing. It has 6GB Ram and 64 (or) 128 GB varient i reccomened to buy this mobile