Redmi 4a popularly known as MI 4A is a good midrange smartphone. And for the price point it is a very good phone to buy under the range of Rs 6000. It comes off the box android marshmallow, it has 2 GB of RAM and 16 GB of ROM. It has a hybrid aim slot in which you can put one sim and one micro sd card. The storage is expandable upto 64 GB which is pretty good for the device. I have been using this device for around 4 weeks now and I have to say that the performance of this phone is excellent. It has 13 megapixel of rear camera with LED flash and 5 mp front camera for perfect selfies. It has 12.7 cm of size which can be easily used by one hand. If you were to take my opinion to but a phone under Rs 6000 I would recommend you to buy Redmi 4a.