This device is same as samsung galaxy j7 prime , only difference is of internal memory .
Samsung galaxy j7 prime have 16 GB of internal memory where as Samsung galaxy on nxt have 32 GB of internal memory. Both device supports expandable memory upto 256 GB with the help of memory card slot.
Both devices are same in every other respects.
Same processor
Same camera
And even design is also same.
Samsung Galaxy on nxt is the upgraded version of samsung galaxy j7 prime with different name.
Performane of both devices are very good.
I am using galaxy on nxt from last 1 and half month and it is working very good.