For Joe Maring, the white Mi MIX looks better than the black one, and is better at preventing fingerprint smudges on its touchscreen. (techtimes.com)
The screen is very shiny so there's going to be a lot of fingerprint smudges as well as a lot of glare if you're trying to use it in a well - lit area. (pocketnow.com)
Samsung wisely moved the flash and heart rate monitor in between the sensor (which requires your fingerprints) and the camera (which always gets fingerprint smudges all over it). (techradar.com)