This lovely and great phone lauched on 2013, August its weight is 143 g( 5.04 oz) the sim size is micro sim the size of screen is 5.2 inches 1080×1920 pixels also a corning gorilla glass 2 android os, v4.2.2( jelly bean) , upgradable to v5.0.2 ( lollipop) and also CPU is quad-core 2.26 GHz krait 400 GPU is snapdragon 800 no card slot internal memory is 16/32 GB ROM , 2 GB RAM CAMERA is 13 MP back autofocus, LED flash and 2.1 MP front 1080p@30fps l sugeest you all to buy this phone