I bought mi4i before 8 month earlier. It was the coolest gadget. I ever used but after 3 month it started lag a lot also the guys at the service center said that there was some problems in mother board believe it or not.2 time in eight month I had change the mother board.
Sound reception
Its not good because I face many problems for this way so try to understand.
User friendly
In this mobile many problems like heating, hanging ect.
Style& design
This mobile looking very nice and attractive but this phone back body make by plastic.
Other features
This mobile camera back camera 13 mp and front 5mp. This this not bad. And ROM is very low.
Look& feel
Mobile looking too good but my feelings not good. Because in this phone create lots of problems.
Value of money-
This mobile rate are 12k to 13k but in redmi 4A same feature and 4A price only 6000.