Xiaomi Redmi 4 is a best android smartphone in this price.This is very cool and amazing in looks and perfomance is very good. It runs Android 6.0 os and It’s powered by the octa-core Qualcomm snapdragon 625(MSM8953) processor at 2 GHz with an integrated Adreno 506 GPS and it has 4GB RAM with 64GB internal memory and you can use external memory upto 128GB.So, this phone is not slow. its very fast smartphon. so its very less to face the Hanging problam in this phone. And it looks is very cool.it has 5.5-inch capacitive full HD IPS display has a resolution of 1080x1920 pixels with the density of 401ppi.So, this screen size well suited to watching videos and movies. and sreen is very sharp.And the best thing is you can adjust the colour temperature from the Settings app.And there’s also 2.5D curved-edge glass across the front, giving this phone a premium feel.So, when it comes with design, Redmi Note4 can be considerd the best Redmi smartphone. This phone has a hybrid SIM tray which supports one Neno -SIM AND Another Micro-SIM.And both SIM supports 3G and 4G networks. and it comes with 13MP rear with flash and 5MP front camera. so we can be capture clear and good image. and this supports wifi, bluetooth, GPS, infrared, USB OTG, FM, 3G, 4G, etc and sensors on the phone include Proximity sensor, Accelerometer, Ambient light sensor and Gyroscope. so this is a best smartphone in the price. so its a good bugget phone.