This is a very unique phone that comes under 2 variants with 2gb ram and 3gb ram.
It has a hybrid sim slot and comes with IR blaster and has one speaker which is loud enough to hear. It comes with 5 inch 720 pixels resolution display which is good enough to buy at this price range . It comes with 13 mp rear camera and 5 mp front camera which is very good as compared to other phones.Redmi 3s Prime comes with 3gb ram and has fingerprint scanner and has 32gb internal storage wheras Redmi 3s comes with 2gb ram and no fingerprint scanner is there and 16gb of internal storage. It run on the miui 8 which is own xiaomi OS system. It has unique mettalic fit design which gives classic looks to the phone. Redmi 3s prime comes with price range under 8, 999 and Redmi 3s comes under price range 6, 999.
This phone is best to buy!