Screen Size: 5.5" OS: MIUI 8 (Based on Android 6.0) Style: Touch Screen Phone Brand: XIAOMI Processor Cores: Deca-core, 64-bit CPU Models: MTK6797/Helio X20 CPU Frequency: 2.1GHz GPU: Mali-T880 MP4 Shell Material: Metal Color: Silver RAM: 3GB ROM: 32GB Storage: 128GB Extendable, TF card not included 4G: FDD-LTE, Band 1 (2100MHz), Band 3 (1800MHz), Band 5 (850MHz), Band 7 (2600MHz), Band 8 (900MHz), TD-LTE, Band 38(2570-2620), Band 39(1880-1920), Band 40(2300-2400), Band 41(2555-2575) 3G: Band 1 (WCDMA 2100MHz), Band 2 (WCDMA 1900MHz), Band 5 (WCDMA 850MHz), Band 8 (WCDMA 900MHz) 2G: GSM 850MHz, GSM 900MHz, GSM 1800MHz, GSM 1900MHz Standby: 2 SIM 2 Standby SIM Card: Micro SIM Card, nano SIM Card Data Transfer: LTE, HSPA+, HSPA, EDGE, GPRS Screen Type: FHD, 1080P, Touch screen, Capacitive, 2.5D Screen Screen Resolution: 1920 x 1080 pixels Screen Material: Sunlight Screen Multi-touch: Multi-touch Screen Lock: Fingerprint Recognition PPI: 401PPI Color Gamut Value: 72% Contrast: 1000:1 Battery: Built-in, 4100mAh, Quick Charge, Lithium Polymer, One Battery Unlocked: Yes (without contract) Back Camera Megapixel: 13.0 MP, SAMSUNG Front Camera Megapixel: 5.0 MP Camera Functions: HDR, Cheese Shutter, Touch Shutter, Panorama, Auto-focusing, Selfie, Timershot, Filters, Geo-tagging, Watermark, Dual Tone LED Flash, Face Recognition, Continuous shot, Facial Beautification, PDAF (Phase Detection Auto Focus) Camera sensor: SAMSUNG Aperture: ?/2.0 Sensor: Proximity Sensor, Light Sensor, Acceleration Sensor, Gyroscope Sensor, E-compass, Hall sensor, IR Sensor GPS: GPS, AGPS, GLONASS, BDS WiFi: WiFi 802.11a/b/g/n/ac, IEEE 802.11 a/b/g/n/ac, 2.4G/5GHz Dual-band, WiFi Hotspot, WiFi Direct, WiFi Display Bluetooth: Bluetooth 4.2, Bluetooth HID Ports: Micro USB, 3.5mm Audio Jack, 1 x Micro SIM Card Slot, 1 x TF Card/Nano SIM Card Slot Language: English, Spanish, Russian, German, French, Hebrew, Hungarian, Greek, Portuguese, Afrikaans, Malay, Indonesian, Czech, Danish, Croatian, Latvian, Lithuanian, Dutch, Polish, Norwegian, Romanian, Slovenian, Finnish, Swedish, Swahili, Vietnamese, Turkish, Bulgarian, Serbian, Ukrainian, Arabic, Persian, Hindi, Thai, Korean, Japanese, Simplified Chinese, Traditional Chinese, Eesti, Filipino, Zulu, Armenian, Uzbek, Albanian, Basque, Mongolian, Icelandic Installed Apps: Audio Player, Google Play Store, Flashlight, Email, Clock, E-book, Calendar, Calculator, World Clock, Stopwatch, Browser, Weather, FM Radio, Sound Recorder, etc. Other Feature: Home Appliances Remote Control, Quick Charge, Assistive Touch, App Cloning/Parallel Space, Dual Systems, VoLTE, OTG, Reverse Charging, One-handed operation, Power Saving Mode, Three Finger Screenshot, Pocket Mode, Notification Led Light, VPN, Scheduled Power On & Off Video Resolution: 720P, 1080P Video Format: MP4, 3GP, MOV, Xvid, MKV Audio Format: FLAC, APE, WAV, MP3, AMR, OGG, MIDI Picture Format: JPG, BMP, GIF, PNG Package Content: 1 x Mobile Phone, 1 x USB Cable, 1 x Battery, 1 x Charger NOTE: Right plug of adapter would be sent according to your shipping country, 1x Eject Pin Size: 151 x 76 x 8.35mm Net Weight: 175g (With a battery) 3GB RAM + 32GB ROMRedmi Note 4 is paired with a 3GB memory to match desktop capacity and speed. So everything you do runs faster and smoother. 32GB large ROM is enough for files storage, even videos. Come with up to 128GB Expansion.4100mAh Large Battery, 5V/2A Quick Charge4100mAh high capacity battery guarentees 80% longer standby time than before. With energy optimization system, to meet the general office for nearly three days. With 5V/2A Fast Charge technology, there is no need to worry about power any more.MTK6797 Deca-core 2.1GHz ProcessorThanks to the 64-bit deca-core MTK6797 powerful processor, Redmi Note 4, which supports 4G+ network, runs pretty fast even under multi-tasking, having no pressure in switching between apps or playing games.360�� Rapid & Multifunctional Touch IDEquipped with raer fingerprint sensor. With chip-level protection, you can unlock your device in 0.1s, experiencing fun of the technology, with 360�� readability. Besides, it's access to view private files, faster and more accurate.13MP SAMSUNG Camera, 5MP Front CameraUsing a 13MP Samsung camera module,supporting PDAF, low-light image enhancement technology and HDR mode contribute to better quality. The 5.0MP front camera with 36-level facial beautification gives you won