The latest software update for Xiaomi 12X comes with the firmware version V13.0.13.0.RLDCNXM. It mainly brings the January 2022 security patch that fixes various vulnerabilities to improve system security and privacy. The update fixes the floating windows freezing issue, the default theme auto applying problem in some cases, and the problem with the camera app where it was closing automatically. Xiaomi 12X’s latest OTA update optimizes the image quality, fingerprint unlocks, and the feature that helps ignore accidental touch on the edges. The changelog also includes the addition of two new features – Beautify for WeChat video calls and Partial screenshots.

Xiaomi 12X new update changelog:

System Updated Android Security Patch to January 2022. Increased system security. Improved system stability Floating windows Fix: Floating windows froze in some cases Themes Fix: Default theme was restored unexpectedly in some cases Camera Optimization: Image quality Fix: The Camera app was force closed in some cases Other New: Beautify for WeChat video calls New: Partial screenshots Optimization: Fingerprint unlock Optimization: A feature that allows ignoring accidental touch on the edges

Xiaomi 12X users in China have already started receiving the January 2022 security patch update. It might take a couple of days to reach all the users. Meanwhile, you can manually check for new updates by navigating to Settings » About phone » System updates. source

Xiaomi 12X gets January security patch  camera optimizations  and several fixes with the new update - 25