I bought xiaomi redmi note 4 2 months ago and haven’t faced a single problem yet.
Pros
Display crisp and clear with 16m colors
Dual sim
Huge 5.5 inch screen is amazing
Android 6.0 ( Marshmallow)
Chipset Qualcomm MSM8953 Snapdragon 625
CPU Octa-core 2.0 GHz Cortex-A53
GPU Adreno 506
Storage is huge
Camera 13mp gives hd quality picture
Front facing camera 5mp is perfect to click selfies
Final verdict
I would highly recommend this phone with price like this its a keeper.