Mi Mix 3 MIUI ROM – All Builds

Mi Mix 3 MIUI ROM - All Builds 1

This is the index page to download MIUI ROM files for Xiaomi Mi Mix 3 codename Perseus. Mi Mix 3 is one of the company’s flagship devices.

Specs-wise, Perseus sports Qualcomm SDM845 Snapdragon 845 (10 nm) chipset. The SoC boasts Octa-core CPUs consisting of 4x 2.8GHz Kryo 385 Gold and 4x 1.7GHz Kryo 385 Silver processors. These monster-ish brains are combined with the Adreno 630 GPU.

Recently, this device has new iteration dubbed as Mi Mix 3 5G which is powered with Qualcomm SDM855 Snapdragon 855 (7 nm) chipset.

Mi Mix 3 offers not only awesome chipset and processors but also stylish design and function. The 6.39 inches Super AMOLED capacitive touchscreen surely gives the phone an elegant touch. Corning Gorilla Glass 5 protects the crystal clear display on top of it.

Xiaomi Mi Mix 3 comes running MIUI 10 based on Android 9.0 Pie by default. It always receives regular updates bringing the latest security patches and bug fixes.

MIUI Stable vs MIUI Beta (Developer)

MIUI is Xiaomi’s official skinned version of Android mobile operating system. There are 4 different MIUI builds for Mi Mix 3: Global Stable, Global Beta (Developer), China Stable, and China Beta (Developer).


MIUI Stable ROM is the most stable version of the ROM. It has very least errors and bugs. This ROM has no regular update interval. Xiaomi rolls out Stable MIUI build once there is a need for it. This build is the most recommended one for all Xiaomi users especially day-to-day users.


  • The most stable
  • The most secure
  • Fewer bugs and errors
ALSO READ:  MIUI Firmware for Mi 9T/Redmi K20 (Direct Download Links)


  • No regular update interval (even some say it monthly)
  • Does not come with the latest and newest features.


MIUI Beta ROM is probably not as stable as the Stable build. However, this build comes with cutting edge features Xiaomi Developer Team ever pushed on the MIUI ROM.

This ROM usually receives weekly updates. Users running this ROM can enjoy new features not available in the Stable ROM. Its developer team brings new features for testing within the Beta ROM. Such features will then become available in the Global ROM once they found no bug in the new features.

MIUI Beta ROM is usually also known as Developer ROM or Under-development ROM.


  • Faster update interval (usually weekly)
  • Latest new features
  • Latest security patches
  • Latest Android upgrade (once available)


  • Users may expect some bugs and errors
  • It’s not as stable as its Stable version

Download All MIUI ROM for Mi Mix 3

Please choose which build you want to download from the links below. You can choose between Global Stable Global Beta, China Stable, or China Beta ROM.

All of these ROM files are built for Xiaomi Mi Mix 3 codename Perseus and is not for Mi Mix 3 5G codename Andromeda.

MIUI Global Stable ROM (Fastboot and Recovery)

MIUI Global Beta ROM (Fastboot and Recovery)

MIUI China Stable ROM (Fastboot and Recovery)

MIUI China Beta ROM (Fastboot and Recovery)

All the files are original, unmodified, and untouched. You can download directly from its official direct hot links.


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