Hi I am shiv.i am purchase a new mobile phone Samsung galaxy j2. It is good set and stylish design is good.there are many different types of feature phones and stylish.it is good to make it.thus this mobile phone is 3g and 4g set.fast time lunch by Samsung galaxy j2 is 4g systems.camera is nice quality picture are shut. Bettey back up is good and nice.and this mobile phone picture are very nice but this mobile phone is very hang problem I toll him please repair the hanging problem by samsung phone.