Xiaomi redmi 3s prime is juast a awesome phone at this price range.i m using it for around 2months and got it in first sale .there are some features which I like most are at his price range:
1.premium look
2.built quality is very good, metallic body
3.hav fingerprint sensor
4.3gb ram with 32 gig of internal memory
4.comes with marshmallow with miui8
5.13mp back camera and 5 mp front camera with very good shots in day light but lack in low lightning conditions.
6.call quality and soung output and input both are good.
7.main feature is its large battery of 4100mah which survives 2 days easily woth normal usage
I likes this product very much and its pretrty awesome device