I have already used micromax canvas a311. its a very nice phone because of processor. and the ram is also good. and its display colour and graphics are too nice. I used this since two years without any complaint and damage. and the best is it is a best smartphone in low price then other smartphone. I like his processor because I have no complaints for any application and games. its camera is also nice 16 mega miixel high quality camera I like too. and ill give five star for this smartphone thanks.