Xiaomi Mi 9

Released 2019, February

Xiaomi Mi 9

The Xiaomi Mi 9 features a 6.39-inch Super AMOLED, HDR10 display with 60Hz refresh rate. It uses the Qualcomm SM8150 Snapdragon 855 (7 nm) processor. Storage options include 64GB, 128GB , 256GB. Rear cameras: 48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF. Battery capacity is 3300 mAh, with 27W wired, QC4 20W wireless charging. It runs Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5.

Price in Nigeria

₦140,000

  • 6.39-inch Super AMOLED, HDR10 · 60Hz
  • Qualcomm SM8150 Snapdragon 855 (7 nm)
  • 6GB RAM, 8GB RAM · 64GB, 128GB , 256GB
  • 3300 mAh · 27W wired, QC4 20W wireless

Full specifications · Video review · Before you buy

Owner Score

How people who own the Mi 9 rate it, from 205 public comments.

At launch

82

86 mentions

12 months

76

119 mentions

Now

Not enough feedback

Breakdown by aspect

Battery
60
Camera
86
Performance
75
Value
86

Category median: 73 · Updated 21 Sep 2026

Medium confidence

Scores are calculated from assessed owner comments and adjusted against the median for this category.

Full Specifications

LAUNCH DATE
Announced February 20, 2019
Released 2019, February
Status Discontinued
NETWORK
Technology 4G/LTE/GSM
2G Bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands HSDPA 850 / 900 / 2100
4G LTE LTE
5G Not supported
Speed LTE
BODY
Dimensions 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in)
Weight 173 g (6.10 oz)
Build Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame
SIM Nano-SIM + Nano-SIM
IP Rating No IP rating
DISPLAY
Type Super AMOLED, HDR10
Size 6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio)
Screen-to-body ~85.2%
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Refresh Rate 60Hz
Brightness Not specified by manufacturer
Protection Corning Gorilla Glass 6
PLATFORM
OS Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5
Chipset Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 640
MEMORY
Card slot No
RAM 6GB RAM, 8GB RAM
Internal 64GB, 128GB , 256GB
Storage/RAM variants 64GB, 128GB , 256GB; 6GB RAM, 8GB RAM
MAIN CAMERA
Main camera 48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF
Features Laser AF, Dual-LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
SELFIE CAMERA
Selfie camera 20 MP, f/2.0, (wide), 1/3", 0.9µm
Features HDR
Video 1080p@30fps
SOUND
Loudspeaker Yes
3.5mm jack No
COMMUNICATION
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth 5.0, A2DP, LE, aptX HD
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
NFC Yes
Radio No
USB USB Type-C 2.0, OTG
FEATURES
Sensors Fingerprint (under display, optical), accelerometer, gyro, compass
BATTERY
Capacity 3300 mAh
Type Li-Po 3300 mAh, non-removable
Charging Type 27W wired, QC4 20W wireless
ADDITIONAL INFORMATION
Colors Lavender Violet, Ocean Blue, Piano Black
Models M1902F1G
Price in Nigeria ₦140,000
SECURITY
Security Biometric security: Fingerprint (under display, optical).

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