Im using this phone by 5 month. till the time its working good.
Pros:-
1 Nice looking.
2 sound problem of old J7 was solved in this so awesome sound quality
3 Great processor
4 camera quality is good
5 LED flash
6 front flash
7 bettery backup is really very good
8 nice features and easy to use
9 android version is masmellow
10 cons of old J7 was solved
Cones:-
1 no fingerprint sensor
2 less sensors
3 no lights of back button
BUT still I suggest this is a nice phone overall .afterall it will give u trust of SAMSUNG
ill give you 4/5.