Samsung j2 is a very good phone, samsung j2’ram 1GB & rom 8GB, back camera 5MP rear camera & front camera 2MP, sound quality is a very good, 2000mh bettry, nice performance of bettry life, the phone is 4G volte supportable, I m so lucky because I have this phone( samsungj2) , the phone supporting by 128GB Expendables memory, this phone looking so nice & slim, thanks samsung