Oppo a37f is good device to use . It is having exellent camera quality with more modes .
DISPLAY - OPPO gives 5 inch HD display in it . It gives gorilla glass and having 2.5d curved glass .
BULIT QUALITY - oppo gives earphone jack in up side of phone . Phone is having alluminium body . Having hybrid sim slot . Down side phone is having charging support , mic and speaker . .
STORAGE - it gives 16GB rom and 2GB ram To use . Which perfoms very well .
SCREEN QUALITY - as you all know it hive good screen having a good touch and all .
CAMERA - it gives 8MPrear camera which fails 13 MP of xiaomi all and give 5MP front camera which is also best camera quality .
Phone gives lolipop version on it with upadte to marshmallow .
So buy this phone for best experience . I am using this phone . It is a good company
Now a days all using vivo and oppo 31 % and another 10 % . 20% . All .