I am using j7 max for 2 months.It has 4 gb of ram and 32 gb of rom but its processor is not so good thats why sometimes it run very slow while playing some heavy android games.
Its front camera selfie quality is not so good.
So this is not for those who really want to buy a good camera quality phone.
Its sound quality is good but not so much.
Its finger print processor sometimes not work properly and you have to set it again.
Also it has only 4 sensors.