The phone is not up to the mark there are many problems on the phone like a heating problem no memory card slot and very important features have missing voice over LTE this feature is important for all smartphones.
Without this feature you-you cannot call that smartphone if you using the phone for I ended games the phone get heat up only 10 minutes there is less space for Apps you cannot move them because there is no memory card slot the camera quality is not good especially the front camera MI 4i have very fewer features.