On Tuesday, Sharp announced a new smartphone for Japan. The Sharp S7 is a rebranded variant of the Sharp Aquos Sense 3 Lite - only it comes with a couple of new hardware features like a power-efficient display and a large 4,000 mAh battery. Sharp also claims this device can last up to 1-week on a single charge. Judging by the antenna lines, we infer this phone has a metal back cover, something we haven't seen in a few years since most phone makers switched to glass builds. The phone measures 147 x 70 x 8.9 mm and weigs 167 grams. The display is a 5.5-inch IGZO LCD panel with a...