Hello, I am using Samsung Galaxy J7 since august 2016. It is a good device. Its sound quality is good. My phone is in white color and it is stylish phone also has a very good design. It is a reliable device and has a good durability.
It has a very good battery backup. I can use it up to 2 days without charging.
It has 13 MP auto focus, LED FLASH primary camera and also have secondary camera with LED FLASH. It is useful to take selfie in NIGHT.
It can support micro SD card up to 256 GB, and have 16 GB internal memory and 2 GB RAM.
Its video quality is too good.