Karbonn K9 Smart is not a good phone by Karbonn.Andriod vision is 4.2.2 Kitkat.it’s avaliable in Rs. 3999.
Karbonn K9 Smart’s features are :
Andriod 4.2.2 ( Kitkat)
Camera 2.0 MP with flash
Front Camera 0.3 MP
Screen size 4.5 inch
Ram 512 Mb and 4 GB internal memory also.
It is a not good phone. It has many problems.
I advice you don’t buy this phone,