This phone sound quality is the very very good sound quality is very smooth I like this Samsung Galaxy j7 mobile sound quality. I have many friends use this phone and they are say this phone is very wonderful. This phone stylist is very awesome and design is very very slim. 2D gorilla glass design metal body love this design. This phone have a many features selfie camera quality has a very good with front flash. Touch is very smooth ok no problem this phone battery backup awesome. Phone is very slim. so I have not a waste of money so I love this phone and thanks for Samsung