Hi today I am sharing my personal experience on samsung galaxy core prime this phone has I am using for 1 years to go and its not working properly and this mobile battery backup is not good and its battery is only worked on 3 to 4 hours and this sound quality was not good when I am open the apps apps are opening very slowly opening and this sound quality was not good and this mobile look and design are not good and its keypad has not good totally I am unhappy in this samsung galaxy core prime phone thanks to sharing my personal experience on in this phone.