Remember the Samsung Galaxy J5 (2016)? If you can't put a face to that name, maybe these cache of images will help. They appear to be official images for the China Mobile version of the phone. Samsung Galaxy J5 (2016) in Gold These images give us a great close-up of the corners of the J5, which are very similar to those of the more premium Galaxy A (2016) lineup. A leaked manual already pointed to a metal frame, but here's more proof if you needed it. A notch on the back cover (visible in the side shot) suggests the back will be removable. It also has a slight brushed metal...
Source: http://www.gsmarena.com/leaked_samsung_galaxy_j5_2016_images_show_off_its_metal_frame-news-17280.php