I have been using this phone since last 5month and I feel very good with this phone this phone has remote sensor fingerprint sensor or manu sensor so u dont confused buy this phone and after all u upgrade this to 5.1. itz not getting heat in heavy loads and playing 3d games itz fingerprint is very good. it have 3 gb ddr3 ram and 32 gb rom 5.5 inch display with a great pricetag of 10.450rs so u should have to buy this great phone. and the prefformens is also out standing I love this phone.