Here am experiencing sony Xperia t2 ultra smart phone since from 3 years and am very happy with the sony product, and also I share my opinion on samsung too which one of my borther used it the thing is samsung is very pathetic and its hang in within a month but here am so happy being a user friendly with sony product no hanging, very good battery back up but the thing is I am not able to acces 4g, and one more thing only its having 1 gb ram if it could be happens with exrended features with this I am so happier, so dear people am requesting you all to prefer sony product and give a value for your money which you pay on the product thank you.