Samsung galaxy is a good phone and he one of the best selling smartphone brand and he phone screen and touch are awesome. Samsung galaxy is not hanging for too many app installed I use samsung smartphone. Samsung is no 1 phone in this world and I think I am buy this phone and I think this feature are really really awesome and fantastic samsung galaxy j7 is like cream phone samsung galaxy is really better then apple and he beat for Apple in selling in this world and please buy this phone and what problem in phone I am repair and inbox me on Facebook