Brand: Xiaomi Model: Redmi Note 4 OS: Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat) Body Dimension: 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in) SIM Type: Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) Display: 5.5inches, IPS LCD capacitive touchscreen, MIUI 10 Resolution: 1080 x 1920 pixels Chipset: Qualcomm MSM8953 Snapdragon 625 (14 nm) GPU: Adreno 506 CPU: Octa-core 2.0 GHz Cortex-A53 Storage/Memory: 4 GB RAM and 64GB ROM Expandable Storage: microSD, up to 256 GB (uses SIM 2 slot) Front Camera: 5 MP, f/2.0 Rear Camera: 13 MP, f/2.0, 1.12µm, PDAF,Dual-LED dual-tone flash, panorama, HDR Battery Capacity: Non-removable Li-Po 4100 mAh battery Connectivity Technologies: Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot, Bluetooth 4.1, GPS with (A-GPS, GLONASS, BDS), FM Radio, USB microUSB 2.0, USB On-The-Go Sensor: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Brand Xiaomi SKU 100102519_NP-1020362459 RAM Memory 4GB Phone Type Smartphone Battery Capacity 4000 - 4999 mAh Number of SIM Slots Dual Camera Front (Megapixels) 5-6 MP Camera Back (Megapixels) 13 MP Screen Type IPS LCD Video Resolution 1080p Screen Size (inches) 5.5 PPI 400-500 PPI Phone Features GPS,Fingerprint Sensor,Touchscreen,Wifi,Expandable Memory Model Redmi Note 4 Network Connections 3G,GSM