I recently purchased redmi 4 this phone is very good compare to other phones because this phone price is very low according to other phones sound reception is very good when listening songs and calling time .This phone processor is very fast according to other phones in this low price rates it working very fastly .the look of this phone is like a I phone features are very good in this phone app lock is available int his pho ne not mandatory to install the app lock already available in this phone .I recommended to another person to buy this phone because this phone is under budget just rs. 7000 and very good phone design is look awesome & superb .Camera quality is very good in this phone camera is 13 mp and capture good photos also on night