Hi I am nagesh I have intruduced my personal experience on samsung galaxy core prime this phone is very hanging phone and apps are slowly opened and when I have connected to the internet then this phone is very slow I have clicking one app and this touch another appand this mobile battery backup is not good and speakers sounds are very slow and eairphons are to slow leasning and by battery is only worked 2 to 3hours only I have unhappy in this mobile phone thank you to sharing my experience abought this phone??