Photos of an Oppo Find X6 prototype have appeared on Weibo. The first thing that strikes you is the huge camera island, which seems to make it impossible to place the smartphone horizontally. Prototype of Oppo’s Find X6 smartphone. Last month we already saw some renders of the device, but the camera part seemed to have taken on slightly more ‘normal’ proportions. And that’s a good thing: it looks like holding the prototype results in fingerprints on your…