In Few Words this is an Indian Apple Iphone. I think you may understand what I want to say.
Look:- The look is amazing, it is slimy and look is very nice
Heating:- It has not any kind of Heating problem, so Dont Worry
Battery:- Battery Backup amazing, My father use charger after 3-4 days but as per user usage I think it has 1 or 2 day Battery Backup.
Camera:- If you think You pay 7000 and the camera is like DSLR. its a joke. actually the the Camera is good. it takes Photos very well . we can say not very bad and not very Very Good. overall its OK
Performance:- Amazing Performance it cant hanged like Samsung etc.
Speed:- The Speed of this Phone faster than other phone. other phones may take time to open or processing any thing but it cant.
Display:- Touch is very smooth and sensitiive, it has a led notification light also in upon the middle Button.its pretty nice.
Speaker:- The voice of the speakers is very clear better than other phones. its main speaker Voice is Clear and Loudly.
Actually From the day when we Buy REdmi 3s to today .even I cant face one minor bug or any issue. overall Performance is totally OK.
in 7000 its Value for Money.
If You wanna use 2 SIm Card I say dual sim with also a memory card then Its Not For You.
It Accepts Sim+ Sim / Sim+ Memory Card. NOT Sim+Sim+Memory Card.