Xiaomi Mix 4 Gets MIUI 12.5.9 Stable Update

Xiaomi Mix 4

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┬áthe 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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