Hi friends I have this mobile.i bought it from online markets.it is a mobile with 4gb ram.it has 25gb internal memory.the new redmi note 4s has some specual feautres like mi remote.i am using this mi remote in my home gas tv remote it lhelps me so useful in many times I have been using correctly with no problems from so many days.if have any doubts please contact my number.9875645678