Samsung Z4 was start sale on may .It have many features .[big screen].flash, front camera, back camera, selfie is most famous .In India price start from 5000 thousab to under 6000 thousand .i really like it .the company of samsung is most famous in all the world .samsung have latest android version. i’m really satisfied samsung z4.Samsung Z4 is smart and look like a superb display.When is in my hand i’m feel superb.sound is well.my friend is use this smart phone ans i’m suggest to all friends use this mobile because im already use this mobile.