Less than a week after Xiaomi teased an upcoming smartphone with a whopping 108MP of resolution, Samsung has officially unveiled the image sensor that will power the pocket-sized beast. Meet the Samsung ISOCELL Bright HMX: the world’s first 100MP+ smartphone image sensor. When the sensor was teased, we speculated that it would feature Samsung’s ‘tetracell’ technology (read: a quad-bayer array). This is, indeed, the case. The image sensor features a quad-bayer array that “merges four neighboring pixels” into a single…