Redmi 4a is a very low price mobile .it has alot of flagship phone features like IR sensor for remote control .this feature is only provided by xiomi brand .it has double tap wake up functions which is availale in very few mobiles but this function is provided by xiomi in india only in six thousand rupees .it has inbuit out of the box android version marshmallow 6.0
it also includes miui 8 which provides us dual apps and other much more fuctions which makes this phone unique .but these has one problem that it sold in flashsales which is not good .many people want to buy but very few people can buy it