Xiaomi Mix 4 Gets MIUI 12.5.9 Stable Update

Xiaomi Mix 4, which is the flagship phone of the company is getting its latest update, which is the stable version of MIUI 12.5.9. This update weighs a total of 715MB and adds support for the spatial audio functions of the manufacturer’s wireless noise-canceling headphones, the Xiaomi TWS 3 Pro.

Xiaomi Mix 4 MIUI 12.5.9 Changelog


  • Adds support for spatial audio function Xiaomi True Wireless Noise Canceling Headphones 3 Pro
  • Optimizes and updates Google’s September 2021 security patch to improve system defenses


  • Fixes the issue of black bars occasionally flashing when unlocking with a fingerprint


  • Fixes the issue of floating notifications flashing abnormally due to avatar space
  • Adjusts the anomaly where rounded corners of the floating notification are missing
  • Fix the background abnormality issue when receiving a floating notification under the tripartite theme
  • Fixes an issue where the notification bar cannot be pulled in full screen when using the tripartite theme

The Xiaomi TWS 3 Pro has 40dB deep noise reduction, adaptive active noise reduction support, and dual transparency modes. In addition, this device comes with spatial audio, a 360° surround sound field, and supports head tracking function. Xiaomi TWS 3 Pro also launched the world’s first LHDC 4.0, the next-generation ultra-definition audio protocol.

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