Hello friends.i am using samsung z1.this is not a good phone in any features.While talking about sound it does not having a good sound quality.and most of the people likes the sound in this there is no good quality of sound and the built quility is not good.It has the screen of 4.9inches and and its ram is 756MB and internal storage of 4gb.which is not a good thing.and its battery is 1500mah which does not give much battery backup.
While talking about others features it has 3g data capable and its operating system version name is Tizen v2.3 and its processor is 1.2GHz dual core processor.It looks like little thick which is not a good thing.Value for money while spending 3499 rs to this money we can buy other phone soo I would like to recommend you all not to buy this samsung z1.