Samsung z3 is practically a phone good for nothing. Talking about the sound quality this phone has a decent sounding speakers but they are not very loud. The mic is also not very good. Talking about user friendly this is the part this phone this phone runs on its custom os. Which is called the Tizen operating system. The bad thing about this os is that it does not support play store. Although it has its own store which is called the Tizen store this store lacks many apps therefore from this store you cant download wide range of apps. The style and design of this phone is Plus point here. It is made of high quality plastic which is very durable. There are not many features in it. Overall this phone is a crap and a must to avoid.