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 Download Xiaomi Mi MIX 2S Firmware ROM TWRP


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Download the firmware/ROM flash for Xiaomi Mi MIX 2S with the code is polaris. Please make sure the code is exact. You can check model code by command fastboot getvar product in Fastboot mode. This MIUI version of Firmware/ROM is 8.6.21 and Android version is 8.0. This Firmware/ROM size is 2.76 GB.

Xiaomi Mi MIX 2S may called with other names like M1803D5XA, M1803D5XE, M1803D5XT, M1803D5XC. China ROM, Firmware is for China region, there are only English, Chinese and No Google Services. Global ROM, Firmware is for Global region and almost can flash for China phone with unlocked bootloader. They have multilanguage and Google Services, china apps removed. All file download from MiFirm is Free. Fastboot firmware, ZIP firmware is official from Xiaomi. EU ROM, TWRP and Other files is unofficial. Use at your own risk.

ID
322
File type
China Developer
Model
polaris
Model name
Mi MIX 2S
MIUI version
8.6.21
File name
polaris_images_8.6.21_20180621.0000.00_8.0_cn_f71b7b9c99.tgz
Android version
8.0
File size
2.76 GB
MD5
Downloaded
14
Other
  • Optimized system performance
  • Improved system security and stability

Mi MIX 2S (polaris) specifications
Released 2018, April
191g, 8.1mm thickness
Android 8.0, up to Android 10, MIUI 12
64GB/128GB/256GB storage, no card slot

Mi MIX 2S was announced at 2018, March with Android 8.0 (Oreo), upgradable to Android 10, MIUI 12, have chipset Qualcomm SDM845 Snapdragon 845 (10 nm) CPU Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) and GPU Adreno 630. It have 64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM storage and there are colors: Black, White

NETWORK
Technology
GSM / CDMA / HSPA / EVDO / LTE
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34, 38, 39, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat18 1200/100 Mbps
TIMELINE
Announced
2018, March
Released
Released 2018, April
BODY
Dimensions
150.9 x 74.9 x 8.1 mm (5.94 x 2.95 x 0.32 in)
Weight
191 g (6.74 oz)
Build
Glass front (Gorilla Glass 4), ceramic back, aluminum frame
SIM
Dual SIM (Nano-SIM, dual stand-by)
DISPLAY
Type
IPS LCD
Size
5.99 inches, 92.6 cm2 (~81.9% screen-to-body ratio)
Resolution
1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Protection
Corning Gorilla Glass 4
PLATFORM
OS
Android 8.0 (Oreo), upgradable to Android 10, MIUI 12
Chipset
Qualcomm SDM845 Snapdragon 845 (10 nm)
CPU
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
GPU
Adreno 630
MEMORY
Card slot
No
Internal
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
UFS 2.1
MAIN CAMERA
Camera
12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS
12 MP, f/2.4, (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom
Features
Dual-LED dual-tone flash, HDR, panorama
Video
4K@30fps, 1080p@30/120fps, 720p@240fps
FRONT CAMERA
Camera
5 MP, f/2.0, (wide), 1/4", 1.4µm
Video
1080p@30fps
SOUND
Loudspeaker
Yes
3.5mm jack
No
COMMUNICATES
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
NFC
Yes
Radio
No
USB
USB Type-C 2.0
FEATURES
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, compass
Virtual proximity sensing
BATTERY
Battery
Li-Ion 3400 mAh, non-removable
Charging
Fast charging 18W
Quick Charge 3.0
Qi wireless charging 7.5W
MISC
Colors
Black, White
SAR US
0.54 W/kg (head)     1.59 W/kg (body)    
Performance
AnTuTu: 270814 (v7)
GeekBench: 9158 (v4.4)
GFXBench: 34fps (ES 3.1 onscreen)
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Specs source: gsmarena.com
Disclaimer: We can not guarantee that the information on this page is 100% correct

How to flash Xiaomi Mi MIX 2S Firmware ROM

1. If Fastboot firmware. The ext. must be tgz. If not. Rename it from .gz to .tgz. Extract it by WinRAR

2. For Fastboot firmware. Download XiaomiFlash lastest. Extract tool after downloaded

3. Open XiaoMiFlash.exe. Install driver if tool required. Press select and select to firmware/ROM folder what includes flash_all.bat

4. Make sure your phone are unlocked bootloader. Or you must bring your phone to EDL mode (9008) to flash

5. Bring phone to Fastboot mode by hold Power and Volume down for 5-10s. Release button when It show Fastboot

6. Connect Phone to Computer. Press Refresh to scan device. If a device showed is Ok

7. Tick clean all (very important). If not, your phone will LOCKED BOOTLOADER after flash done

8. Press Flash and wait util it show success or any error

ZIP. ZIP ROM using Update function in System or TWRP

EU. EU ROM flash using TWRP

Read more

How to unlock bootloader Xiaomi Mi MIX 2S

After unlock bootloader the device, your phone becomes more vulnerable and less secure to malware attacks, which may lead to the disclosure and loss of your private data. Some features which require high security level (ex: Find device, added-value services, etc.) may no longer be available. Phone data like Photo, Contacts, SMS or application's data will be lost. Use at your own risk

1. Login with Mi account on your Xiaomi phone. Go to Setting - Phone information - Tap 7 times to MIUI version. It will notice developer options enabled

2. Go to Setting - Additional settings - Developer options - Mi Unlock status. Press Add account and wait to success notice. (This step require SIM card and mobile data enable)

3. Download the Mi Unlock app to PC, and sign in with the Mi account which are loged in your Mi phone

4. Shutdown your phone manually, then hold Power and Volume down button to enter Fastboot mode

5. Connect your phone with the PC using USB cable and click Unlock

Read more

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