I bought mi4 recently .Having said that as a user I am very satisfied with the services offered . First of all its within my budget as these days we have a lot of option in the market in terms of mlbile is concerned.
User friendly nd a ram of 3 gb makes it a faster version .camera qulity is also good .As far as sound is co cerned I would rate a 4 star .They do not give ear jack for listening to music .They supply only charger .I would recommend for those people who have less budget and want quLity product that is value for moneyy