Is OS1.0.5.0.ULTCNXM stable for daily use?

This is an official firmware release. All official releases from FirmwareMirror are stable and tested. Always backup your data before flashing any firmware.

Is this firmware the latest version?

Yes, OS1.0.5.0.ULTCNXM is the version shown. Check FirmwareMirror regularly for newer versions of Xiaomi 12S China firmware.

Download Xiaomi 12S China ROM - OS1.0.5.0.ULTCNXM (Global)

Name: OS1.0.5.0.ULTCNXM for Xiaomi 12S China
Availability: InStock
Author: Xiaomi

What's New

[System]Updated Android Security Patch to March 2024. Increased system security.

Android Version

14.0

File Size

5.43 GB

Release Date

Apr 02, 2024

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 5.43 GB

Mirror Downloads (11)

Mirror 1 Mirror 2 Mirror 3 Mirror 4 Mirror 5 Mirror 6 Mirror 7 Mirror 8 Mirror 9 Mirror 10 Mirror 11

11 mirror(s) available • Click any button to download

Verification & Details

MD5 Checksum:

e6a95688ffbadb0fd7f80284a8aa934e

Package Name:

miui_MAYFLY_OS1.0.5.0.ULTCNXM_e6a95688ff_14.0.zip

How to Flash Fastboot on Xiaomi 12S China

Please follow these steps carefully to install the OS1.0.5.0.ULTCNXM update safely. Ensure your device has at least 60% battery.

Ensure the bootloader of your Xiaomi 12S China is unlocked.
Download the official Mi Flash Tool and extract it on your PC.
Boot your device into Fastboot mode by holding the Volume Down + Power buttons simultaneously.
Connect the smartphone to your PC using a reliable USB cable.
Extract the downloaded OS1.0.5.0.ULTCNXM firmware archive (.tgz file).
Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.

Back to Xiaomi 12S China

Download Xiaomi 12S China Firmware (OS1.0.5.0.ULTCNXM)