How do I install OS1.0.12.0.ULTCNXM on Xiaomi 12S China?

Download the ROM file, verify the MD5 checksum, unlock your bootloader, and use Mi Unlock Tool or Fastboot to flash the firmware. Ensure your device is fully charged before proceeding.

Is OS1.0.12.0.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.

What should I do before flashing this firmware?

1. Backup all your data, 2. Charge your device to at least 80%, 3. Verify the MD5 checksum, 4. Download from FirmwareMirror, 5. Follow official flashing instructions carefully.

Is this firmware the latest version?

Yes, OS1.0.12.0.ULTCNXM is the version shown. Check FirmwareMirror regularly for newer versions of Xiaomi 12S China firmware.

Download OS1.0.12.0.ULTCNXM for Xiaomi 12S China

Name: OS1.0.12.0.ULTCNXM for Xiaomi 12S China
Availability: InStock
Author: Xiaomi

What's New

[System]Updated the security patch to November 2024. Increased system security.

Android Version

12.0

File Size

156.25 MB

Release Date

Dec 12, 2024

Flash Method

Recovery

Download ROM

Available

Download Now

File Size: 0.15 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:

b3b343b184cc439aa6d4366606a5ed57

Package Name:

miui_MAYFLY_OS1.0.12.0.ULTCNXM_b3b343b184_14.0.zip

Back to Xiaomi 12S China

Cookie Policy: This website uses cookies to improve user experience. By continuing to use the site, you consent to the use of cookies.