Samsung galaxy j2 is one of the j series phone, with 4.7 ench screen, Resolution 540 x 960 pixels(~234 ppi pixel density) the phone is better in look and its very slim avaiable in three color like other j series phone, white, golden and black
Display
If we talk about the display of this phone is 4.7 ench super almond screen which is very handy, easy to use with single hand, phone support multitouch, the Resolution of this phone is 540 x 960 pixels(~234 ppi pixel density)
Camera
Samsung galaxy j2 has 5MP primary camera f/2.2 and the secondary camera is 2MP, the primary camera is not good in low light, and same thing with front facing camera, there is no flash in front .
Battery
We get 2000 mah battery which may be lost in a day but if you are game lover then may be it will last sooner.
Memory
It has 8 gb of internal memory and 1gb ram, which is good for samsung phone lover at this price.
Operating system
This phone runs on Android OS, v5.1.1( Lollipop)
Good about this phone
Its slim and good looking at this price of samsung brand .
Its support OTG .
Conclusion
so if you are looking for mid range price phone you can think about galaxy j2, if you want any brand phone, all in all the phone is average,