Oppo a83 is osm phone. And its face sensor is really very awesome in this phone you got a lots of feature like 3 GB ram , 32 GB rom and expandable upto 256 gb and in this phone you got a 5.7 inch full hd screen and 18: 9 display and in this phone you got a 3180 mAh battery width of this phone is 73.1 mm and height 150.5 mm and depth 7.7 mm and its weight is 143 gram which is very light in this phone fingerprint is not here. But face sensor is here and it work very goood. And it comes in two colour black and gold. . And my choice is black color Thanku