Samsung Galaxy j7 is the great phone because in this phone 1.5 GB ram and 16GB internal USB connectivity yes nothing to like be the phone it is a very useful for in the phone there is 5.1.1 version what in what in the latest version is 6.02 it is Marshmallow and latest version of the any phone and its ram 1.5 GB changed into 2 GB RAM so it is very useful to us and it never be hanged I am use this phone 1 year but in this phone I never find a eror. This is the best phone in the Samsung J series it is very awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome awesome