The first Samsung Galaxy M-series device of 2020 is here - meet the Galaxy M31. It builds on last year's M30 and M30s with a far improved camera department and Android 10 with OneUI 2 out the box while retaining its massive 6,000 mAh battery. The 6.4-inch FHD+ SuperAMOLED display from the M30 and M30s is carried over. It boasts a 19.5:9 aspect ratio and a U-shaped waterdrop notch for the 16MP selfie cam. Going around the polycarbonate back we find the new four-camera array. The main shooter has a large 64MP sensor with Samsung's Tetracell pixel binning which effectively outputs 16MP...