HI Friends, This is my genuine on this mobile samsung z4. Th samsung z4 is very good
and it is a features included phone. The performance of this phone we can view every also very good and not slow. The sound quality of this phone is very good and the picture quality is average. The videos and picture are not bad and we can view everything very clearly. The phone has got USB and the blutooth, duel sim and other common features.