Samsung galaxy j2 is an andriod mobile it is very bad mobile it is hanging by continously usage 30 minutes and over heating is also another disadvantage of these mobile so please take care while using these mobile because heating is not an simple issue for samsung galaxy j2 is very bad mobile so in these mobile the display moment should be very slow and hanging the mobile so it should be one of the advantage is its battery backup is very good and samsung care centres should be more so please take care while buying the mibile