Xiaomi redmi 4 is powered by 1.4 ghz octa core qualcomm snapdragon 435 processor and it comes with some variety with loacal storage .
it has 13 mega pixel back camera and 5 mega pixels for selfie.
the xiami redmi 4 run android 6.1 and is powered by 4100mah battery which is non renewable. it has dual sim which accepts both micro and nano sim.connectivity options include wifi, GPS, bluetooth, infrared, usb otg, 3g and 4g.
advantages
1 good built quality
2 compact body
3 solid battery performance
4 excellent value for money
disadvantages
1 average camera performance
2 hybrid dual sim
3 limited availability