Xiaomi Redmi Note 4
Network Technology GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  CDMA 800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100
  CDMA2000 1xEV-DO & TD-SCDMA
4G bands LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA, LTE
GPRS Yes
EDGE Yes
Launch Announced 2016, August
Status Available. Released 2016, August
Body Dimensions 151 x 76 x 8.4 mm (5.94 x 2.99 x 0.33 in)
Weight 175 g (6.17 oz)
SIM Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display Type IPS LCD capacitive touchscreen, 16M colors
Size 5.5 inches (~72.7% screen-to-body ratio)
Resolution 1080 x 1920 pixels (~401 ppi pixel density)
Multitouch Yes
 - MIUI 8.0
Platform OS Android OS, v6.0 (Marshmallow)
Chipset Mediatek MT6797 Helio X20
CPU Deca-core 2.1 GHz
GPU Mali-T880 MP4
Memory Card slot microSD, up to 256 GB (uses SIM 2 slot)
Internal 16 GB, 2 GB RAM - Standard edition
64 GB, 3 GB RAM - High edition
Camera Primary 13 MP, f/2.0, phase detection autofocus, dual-LED (dual tone) flash, check quality
Features Geo-tagging, touch focus, face/smile detection, HDR, panorama
Video 1080p@30fps, 720p@120fps, check quality
Secondary 5 MP, f/2.0, 720p
Sound Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
 - 24-bit/192kHz audio
- Active noise cancellation with dedicated mic
Comms WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth v4.2, A2DP, LE
GPS Yes, with A-GPS, GLONASS, BDS
Infrared port Yes
Radio FM radio
USB microUSB v2.0, USB On-The-Go
Features Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Messaging SMS(threaded view), MMS, Email, Push Mail, IM
Browser HTML5
Java No
 - Fast battery charging
- XviD/MP4/H.265 player
- MP3/WAV/eAAC+/Flac player
- Photo/video editor
- Document viewer
Battery   Non-removable Li-Po 4100 mAh battery
Misc Colors Silver, Gray, Gold, Blue, Black
Price group 3/10 (About 150 EUR)
Tests Performance Basemark OS II 2.0: 1728 / Basemark X: 13666
Display Contrast ratio: 1158 (nominal), 2.145 (sunlight)
Camera Photo / Video
Loudspeaker Voice 64dB / Noise 67dB / Ring 76dB
Battery life

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