Xiaomi redmi 4 the best phone ever the phones comes with snapdragon 435 chipset this processor is new and powerful and this phone also getting android 7.1 nought Update and the phone camera is 13 mp rear and 8 mp front Camera this is the also plus point for this product and the phone comes with 2.5d screen this feature make phone more stylish and the phone having speaker louder than redmi 3s prime.
The Phone Comes with dual sim and 4G Volte also supports on dual sim
This is my personal Opinion.
Thanks You.