I am using redmi 3s in last 6 months a very good phone firstly I am saying this phone price law and very good features I am using a secondhand phone that giving me only rs7500.then it sound quality is good but I thing it sound was law sound only problem for this and 4gb ram very high that was great then 4000mah battery capacity 32gb rom then more loat features giving this phone dual app, fingerprint, secondspace. I really like this product