Did you think Huawei's Ascend P6 was a slim smartphone? It has nothing on BBK's just-unveiled Vivo X3. Despite a 5-inch (if 720p) screen, an 8-megapixel rear camera, a front 5-megapixel shooter and a 1.5GHz quad-core MediaTek processor, the X3 measures a wafer-like 5.75mm thick in its blue variant. There's plenty of party tricks under the hood, too -- the Android 4.2 device has both
