Phone is awesome, battery performance in normal. I am using it from last 2 year and I am highly satisfied with performance even m nor using any cover on phone and its still looking brand new.Android OS, v5.0(Lolipop), upgradable to v6.0(Marshmallow)8 MP, f/2.4, autofocus, OIS, LED flashmicroUSB v2.0(SlimPort), USB HostTrue HD IPS+ capacitive touchscreen, 16M colors4.95 inches(~70.8% screen-to-body ratio)1080 x 1920 pixels(~445 ppi pixel density)Corning Gorilla Glass 3