Xiaomi Mi Mix 2S Stock Firmware Update to Android 8.0 (Oreo) Flash File. Here You Need to Follow Complete Guide on How to Install Xiaomi Mi Mix 2S Device Stock Rom in below Content. And Also You Can Download Xiaomi Mi Mix 2S Original Firmware File From Youfirmware. 
Xiaomi Mi Mix 2S Android 8.0 (Oreo) Firmware & Update Guide
Rom Specs:
- DISPLAY IPS LCD capacitive touchscreen, 16M colors
- Size 5.99 inches, 92.6 cm2 (~81.9% screen-to-body ratio)
- Resolution 1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
- Multitouch YES
- Protection: Corning Gorilla Glass 4
- OS Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
- Chipset Qualcomm SDM845 Snapdragon 845 (10 nm)
- CPU Octa-core (4×2.8 GHz Kryo 385 Gold & 4×1.8 GHz Kryo 385 Silver)
- GPU Adreno 630
- Card Slot No
- ROM 256 GB, 8 GB RAM or 64/128 GB, 6 GB RAM
How To Flash Xiaomi Mi Mix 2S to Android 8.0 (Oreo)
Step 1: First of All Download and extract the Xiaomi Mi Mix 2S Stock Rom Flash Update on your computer.
Step 2: After extracting The File you will find the SP Flash Tool Software, Driver and Instruction manual.
Step 3: Install the Latest USB Drivers (skip this Step if drivers are already installed in your Computer).
Step 4: Run the SP Flash Tool Software For Complete Quick Install Guide click on Below LINK.
Important Notice:
Take a complete backup of your smartphone before flashing. Because your all personal Data will be deleted.
Your smartphone warranty will be void Stock Firmware Team will not be responsible for any damage .
The firmware on this page is official From Xiaomi Smartphone Company
If you have any issue regarding Bootloop, Hang, Software Corrupt or any other major or minor Bug. Then, Download firmware from here and Flash your smartphone.
Download Xiaomi Mi Mix 2S Official Firmware
Size 2.48 GB