General
Brand REDMI
Colors Interstellar Grey | Aurora Blue | Glacier White
SIM Card Slot 3-choose-2 hybrid SIM tray: Nano SIM + Nano SIM/MicroSD card
Language Multi Languages
Chipset
CPU Qualcomm® Snapdragon™ 720G octa-core up to 2.3GHz
GPU Adreno 618
RAM 4GB/6GB
ROM 64GB/128GB
External Memory Support expandable storage up to 512GB (VFAT)
System MIUI 10
Display
Display Size 6.67 inch
Resolution 2400 x 1080 Pixels
Contrast Ratio 1500:1
Other NTSC: 84% (typ),TÜV Rheinland low blue light certification,Reading mode 2.0, Corning® Gorilla® Glass 5v,Supports HDR display
Camera
Rear Camera 48MP AI quad camera
Front Camera 16.0MP
Network
4G bands FDD-LTE B1/2/3/4/5/7/8/20/28, TDD B38/40
3G bands WCDMA: B1/2/4/5/8
2G bands GSM: B2/3/5/8
WIFI 802.11a/b/g/n/ac, 2.4G/5G WiFi, WiFi Direct, WiFi Display
Bluetooth Bluetooth 5.0
GPS GPS , AGPS ,GLONASS , Beidou, Galileo
Sensors Z-axis linear vibration motor | Side-mounted fingerprint sensor | Distance sensor | In-screen ambient light sensor | Accelerometer | Gyroscope | Electronic compass | IR blaster
Other features
Fingerprint Yes
Google Play Store Yes
Battery
Battery Capacity 5020mAh (typ)
Charging 22.5W wire charger
Dimension and Weight
Dimensions 165.75 × 76.68 × 8.8mm
Net Weight 209g
Package Contents
Package 1 x Redmi Note 9S  
1 x Power adapter  
1 x Simple protective cover  
1 x USB Type-C cable  
1 x SIM eject tool
1 x User guide  
1 x Warranty card