Im using galaxy j7 max last 8 days.
That working is very smooth.Exclent parforming.
Cemera also very good, ftont and rear also
Bettery bsckup so nice and no heating ptoblem .
Booting speed also very fast . U can play any game very smoothly play.
Device is very slim, front cemera like I phone 6s.
And rear cemera very clear photograffy like DSLR.