A photo circulating on Chinese blogging site Weibo purports to show the rear shell of a new iPhone, featuring two holes between the camera lens and flash, Letem Svetem Applem reports. There is no way of confirming the authenticity of the photo, which conflicts with leaked design renderings that show only the single microphone hole between the lens and flash, just like on the iPhone 6s. What the second hole would be used for is unclear, with some speculating…