Redmi 3S Prime is one of the best phone in India. It had given a large range of features. Redmi 3S prime offers the following impressive facilities
1) RAM-It has provided a RAM of 3GB
2) BATTERY- It has provided a battery of 4100 MAH.
3) INTERNAL STORAGE- It has provide a internal storage of 32GB.
4) O/S- It has provided a O/S of 6.0.1 i.e Android Marshmallow.
5) Fingerprint- Yes
All these facilities are under Rs. 8999/- and one thing I would say that I am personally using these phone for 3 months and till now I didn’t faced any problems.
So I would suuggest it is an awesome phone. You can go for it.