Samsung galaxy j4 is comes with Dual sim Volte 4G but another sim is 3G which is really bad.Its not a Dual 4G phone.It has 13mp rear and 5mp front camera.Both camera Quality not very good.Its packs with 1.4GHz quadcore processer which is so backdated in now a battery backup is not too good , it has only 3000mah battery.This phone have Many disadvantages like Its a non removable battery phone, This phone is so heavy, 175gm.And didn’t have any compus which is really bad.Its comes with relatively only 2gb ram which is not so so good. expected price for this phone 9999 in India which is so high for now a day.dont waste your to buying this type of phone.So viewers think twice before buying this phone.