Xiaomi Redmi 4 smartphone was launched in November 2016. The phone comes with a 5.00-inch touchscreen display with a resolution of 720 pixels by 1280 pixels at a PPI of 296 pixels per inch. Xiaomi Redmi 4 price in India starts from Rs. 12999 The Xiaomi Redmi 4 is powered by 1.4GHz octa-core Qualcomm Snapdragon 435 processor and it comes with 4GB of RAM. The phone packs 64GB of internal storage that can be expanded up to 128GB via a microSD card. As far as the cameras are concerned, the Xiaomi Redmi 4 packs a 13-megapixel primary camera on the rear and a 5-megapixel front shooter for selfies. The Xiaomi Redmi 4 runs Android 6.0.1 and is powered by a 4100mAh non removable battery. It measures 139.30 x 69.90 x 8.65 (height x width x thickness) and weigh 150.00 grams. The Xiaomi Redmi 4 is a dual SIM (GSM and GSM) smartphone that accepts Micro-SIM and Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, Infrared, USB OTG, FM, 3G and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Compass Magnetometer, Proximity sensor, Accelerometer, Ambient light sensor and Gyroscop.