smartphone is now not only be beautiful handsome exterior design, but also thin in thickness as much as possible, and Sony Ericsson Xperia series for Xperia Arc LT15i blade is the perfect example. With a large 4.2-inch TFT touch screen Xperia Arc LT15i body size is only 125 x 63 x 8.7 mm and 117g of weight, really thin blade general. However, in light volume behind the battery is inevitably followed by light, resulting in a decline ...