I have a samsung core prime phone.i feel very awesome feeling with my phone.because with this phone I fulfill my all needs .this phone also help me in my job like: - math, useful in interest, music, video etc.this phone helful and increase my all damands.but some times I face some problems because its battery backup low and sometime its hang problems.otherwise I have no problem this phone because I solve my all problems and our work completed with this phone.i like this phone very much. I care all time my phone.