Hello friends I use Samsung galaxy j2 from one year.this is good for those people who dont know much about smartphones.j2 has 1.5 gb ram and 2000 mah battery life.but are some problems in this phone it starts hangs after 6 or 8 months.and some problems arise in apps. So after see this article you decided tgat you buy this smartphone or not.So I give it 4 stars