Heating issue when hot spot is on
batter is average 3300mah
display is awesome as it is super amloid with full HD.
camera is not good especially front cam.
j7 is slim compare to ON8
it is modified phone of J7 .
low ringer volume
low audio output
calling voice is too low compare to other phones.
overall not satisfied with the product by samsung and will not recommend to anyone for going to purchase it