Alleged press render of unannounced HTC B2 smartphone made the rounds on Twitter. The image was posted on the social network by @evleaks. The press image reveals the front of the device. A duo of stereo speakers and a front-facing camera unit are all details that the render reveals for the time being. HTC B2 is tipped to be the successor of the Japan-only HTC J Butterfly (known as HTC Butterfly and…