Mi 9 Firmware

Codename: cepheus

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Official Mi 9 firmware (codename cepheus). The newest Fastboot ROM is V12.5.6.0.RFACNXM (Android 11), 4.3 GB, released 2021-11-25 03:00. The newest Recovery ROM is V12.5.6.0.RFACNXM. Files are served directly from Xiaomi’s servers. Need flashing help? Browse our guides.

Xiaomi Mi 9 – official photo
  • Released2019, March 25
  • Body173g, 7.6mm thickness
  • OSAndroid 9.0, up to Android 10, MIUI 12.5
  • Storage64GB/128GB/256GB storage, no card slot

Xiaomi Mi 9 was announced in 2019, February 20. Released 2019, March 25, runs Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5, powered by Qualcomm SM8150 Snapdragon 855 (7 nm), memory: 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, available in Lavender Violet, Ocean Blue, Piano Black.

Full specifications
Network
TechnologyGSM / CDMA / HSPA / LTE
Launch
Announced2019, February 20. Released 2019, March 25
StatusDiscontinued
Body
Dimensions157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in)
Weight173 g (6.10 oz)
BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame
SIMNano-SIM + Nano-SIM
Display
TypeSuper AMOLED, HDR10
Size6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio)
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
ProtectionCorning Gorilla Glass 6
Platform
OSAndroid 9.0 (Pie), upgradable to Android 10, MIUI 12.5
ChipsetQualcomm SM8150 Snapdragon 855 (7 nm)
CPUOcta-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPUAdreno 640
Memory
Card slotNo
Internal64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Main Camera
Triple48 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
FeaturesLaser AF, Dual-LED flash, HDR, panorama
Video4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Selfie camera
Single20 MP, f/2.0, (wide), 1/3", 0.9µm
FeaturesHDR
Video1080p@30fps
Sound
LoudspeakerYes
3.5mm jackNo
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth5.0, A2DP, LE, aptX HD
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
NFCYes
Infrared portYes
RadioNo
USBUSB Type-C 2.0, OTG
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, compass
Battery
TypeLi-Po 3300 mAh, non-removable
Charging27W wired, QC4 20W wireless
Misc
ColorsLavender Violet, Ocean Blue, Piano Black
ModelsM1902F1G
SAR0.99 W/kg (head) 1.04 W/kg (body)
SAR EU1.39 W/kg (head) 1.30 W/kg (body)
PriceAbout 590 EUR
Our Tests
PerformanceAnTuTu: 372006 (v7) GeekBench: 11181 (v4.4) GFXBench: 35fps (ES 3.1 onscreen)
DisplayContrast ratio: Infinite (nominal), 3.921 (sunlight)
CameraPhoto / Video
LoudspeakerVoice 70dB / Noise 74dB / Ring 81dB
Audio qualityNoise -93.9dB / Crosstalk -91.9dB
Battery (old)Endurance rating 95h

6 versions found

Version Android Type Size Released Downloads Download
V12.5.6.0.RFACNXM
China
Android 11 Fastboot 4.3 GB 2021-11-25 03:00 0 Download
V12.5.2.0.RFAEUXM
EEA
Android 11 Fastboot 3.3 GB 2021-11-12 03:00 0 Download
V12.5.2.0.RFARUXM
Russia
Android 11 Fastboot 3.3 GB 2021-07-15 03:00 0 Download
V12.5.1.0.RFAMIXM
Global
Android 11 Fastboot 3.2 GB 2021-06-11 03:00 0 Download
Unknown
Android 9 Fastboot 3.7 GB 2019-07-23 03:00 0 Download
Unknown
Android 9 Fastboot 3.2 GB 2019-06-28 03:00 0 Download

Locked, stuck or need it flashed?

Step-by-step guides for technicians working on the Mi 9:

Remove Xiaomi FRP & factory reset Flash MediaTek (MTK) devices Fix IMEI with Dual CPID View services