V12.5.1.0.QDGCNXM
Mi MIX 2S
polaris
Stable Android 10.0 China
Showing V12.5.1.0.QDGCNXM for polaris only. Other versions? Browse all Polaris updates →
Version
V12.5.1.0.QDGCNXM
Android
Android 10.0
Region
China
File Size
2.2 GB

Compatible Device

Mi MIX 2S
Mi MIX 2S
Xiaomi Mi Mix 2S Android smartphone. Announced Mar 2018. Features 5.99″ display, Snapdragon 845 chipset, Dual: 12 MP (f/1.8, 1/2.55″, 1.4µm, 4-axis OIS, dual pixel PDAF) + 12 MP primary camera, 5 MP front camera, 3400 mAh battery, 256 GB storage, 8 GB RAM, Corning Gorilla Glass 4.
View Device

Firmware Packages

2 available
Mi MIX 2S
Recovery
Codenamepolaris
BranchStable
VersionV12.5.1.0.QDGCNXM
AndroidAndroid 10.0
RegionChina
ReleasedJul 16, 2021
Size2.2 GB
MD5
Download Recovery
Mi MIX 2S
Fastboot
Codenamepolaris
BranchStable
VersionV12.5.1.0.QDGCNXM
AndroidAndroid 10.0
RegionChina
ReleasedJul 07, 2021
Size3.0 GB
MD5
Download Fastboot

Frequently Asked Questions

Install using the Recovery method. Ensure you have the required tools, back up your data, and follow the official Xiaomi flashing guide for your region to avoid issues.
MIUI is Xiaomi's custom Android skin, now evolving into HyperOS. It provides a refined interface, deep system customization, performance optimizations, and integrated Xiaomi services.
Fastboot flashing rewrites system partitions directly via PC — useful for clean installs or unbricking. Recovery flashing installs the update from within the phone's recovery mode, similar to an OTA update.
All firmware listed here is sourced directly from Xiaomi's official update servers. Always verify the MD5 hash before flashing to confirm file integrity.
MIUI adds features like Dual Apps, Second Space, a rich theme engine, MIUI Security, and deep system-level battery controls — all unavailable in stock Android.