Xiaomi Redmi 4 Android Smartphone was launched in November 2016. It is priced in India at Rs. 8900 ($133.00), running on the Qualcomm MSM8953 Snapdragon 625 processor with Adreno 506 GPU. The phone has 3 GB RAM and 32 GB of internal storage which is expandable using microSD, up to 128 GB (uses SIM 2 slot).
The Redmi 4 has a 5.0 inches Full HD, 1080 x 1920 pixels IPS display with a pixel density of 441 ppi. Coming to cameras, it has a 13 MP rear camera and a 5 MP front camera for selfies. It has a microUSB port for data syncing and charging. There is a fingerprint sensor present on the Redmi 4 as well, along with a magnetic field sensor (compass), ambient light sensor and accelerometer sensor. It is a dual SIM smartphone with support for 4G LTE, USB OTG, Wi-Fi, FM Radio, Bluetooth and GPS too.
The Redmi 4 runs on Android OS, v6.0.1 (Marshmallow) and all this is powered by a 4100 mAh battery. It measures 141.3 x 69.6 x 8.9 mm (height x width x thickness) with a total weight of 156 grams including battery.