General
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Brand:Xiaomi
Model:Redmi Note 9 4G
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System
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Operating System:MIUI 12 (Base on Android 10 OS)
CPU:Qualcomm Snapdragon 662 Octa-core, 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver,GPU Adreno 610
RAM:4GB/6GB
ROM:128GB
Extended Storage:TF Card max to 512GB
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Display
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Screen type:capacitive screen
Screen size:6.53 inch
Screen resolution:2340 x 1080 Pixel FHD+ screen
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Network
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Wireless connectiveity:GSM, 3G, 4G, GPS, WiFi, Bluetooth
Frequency:
2G: GSM B2/B3/B5/B8, CDMA: BC0
3G: WCDMA B1/B5/B8, TD-SCDMA B34/B39, CDMA EVDO: BC0
4G: FDD-LTE B1/B3/B5/B8, TDD-LTE B34/B38/B39/B40/B41
Bluetooth:Yes, 4.2
WiFi:Yes, 802.11a/b/g/n/ac
GPS: Yes,GPS/AGPS/Glonass/BEIDON
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Camera
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Camera type: one front triple back
Triple Back camera:48.0MP+8.0MP+2.0MP
Front camera:8.0MP
Video recording:Yes,720P@30fps,1080P@30fps
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Connectivity
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SIM card slot:Dual Nano SIM card dual standby
TF card slot:Yes
USB slot:Type-C
Audio output:Yes (Charging mouth interoperability)
Microphone:Supported
Speaker:Supported
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Media
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Video format:3GP, MP4, RMVB
Audio format:WAV, AMR, MP3
Image format:GIF, JPEG, BMP, PNG
FM radio:Yes
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Sensor
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Gyroscopes, Acceleration sensors, Distance sensors, Ambient light sensors, Electronic compass
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Additional Features
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4G, WIFI, GPS, Bluetooth, Ebook, Email, Messaging, wallpapers, calendar, calculator,clock, camera, tethering & portable hotspot, Touch ID, fast charge,Type-C, etc
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Battery
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Battery type:Lithium
Capacity:Built-in 6000mAh,1Fast charging 18W
Standby time:About 2~3 days
Charger:USB, travel charger
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Dimension & Weight (Main Product)
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Dimension: 162.3*77.28*9.6mm
Weight: 198g
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