Lenovo k4 note or lenovo vibe k4 note is the only phone you must buy in this price range.
Pros-
1) Looks
This phone has the killer looks and can kill any samsung user as well.
2) Camera
The camera quality of this phone is just awesome.You can’t get more then this for just 12k.The camera is 13MP back and 5MP back.And the sensor is also upgraded
3) Battery
The battery of lenovo k4 note is huge 3300mah and it’s standby is upto 265hrs on 3g.So it is just amazing
4) Display
Lenovo k4 note comes with 5.5 1080×1920 pixels display and it looks like a high price ranged devices
5) Sensors
Here’s the main thing.The lenovo k4 note comes with a fingerprint sensor.Yes you heared it right.
6) Storage
Lenovo k4 note comes with 3gb RAM and 16gb ROM inbuilt.Upto 128gb expandable.
Cons-
1) No upgrade on processor
Lenovo k4 note processor is same as it was in k3 note.
So friends if you want to buy a smartphone in 12k you must not miss this killer phone.
And yes this phone also has Corning gorilla glass 3.