Samsung phone is very super phone it has many feature of this phone this phone is 3gb ram and internal memory is 16 gb and front camera is 8 mega fixel and back camea is 13 mega fixel. this camera is very clear and its sound is very good and j series is not hang this is very good choice . this phone is dual sim card and 3300mah battery this phone is finger scanner. and every unique SIM card is used. this phone is 4G and S Secure system in this phone and SD card up to 257GB . And available capaciry is subject to prrloaded software. I like this product.