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Xperia x10 mini pro
Sony ericsson xperia mini st15i
Sony ericsson xperia play
Sony xperia m dual
Sony ericsson e15 xperia x8 e15
Sony xperia sx so 05d
Camera and buold quality is really good. But the battery doesn't behave well. In http://www.completetab.com/sony-ericsson-xperia-arc-s/ they are telling that the battery life is not good. Only that can be a problem otherwise other things are going fine.