Is OS1.0.9.0.UNACNXM 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, OS1.0.9.0.UNACNXM is the version shown. Check FirmwareMirror regularly for newer versions of Xiaomi 14 Ultra China firmware.

Download Xiaomi 14 Ultra China ROM - OS1.0.9.0.UNACNXM (Global)

Name: OS1.0.9.0.UNACNXM for Xiaomi 14 Ultra China
Availability: InStock
Author: Xiaomi

Android Version

14.0

File Size

6.8 GB

Release Date

Apr 18, 2024

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 6.8 GB

Verification & Details

How to Flash Fastboot on Xiaomi 14 Ultra China

Please follow these steps carefully to install the OS1.0.9.0.UNACNXM update safely. Ensure your device has at least 60% battery.

Ensure the bootloader of your Xiaomi 14 Ultra 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 OS1.0.9.0.UNACNXM firmware archive (.tgz file).
Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.

Back to Xiaomi 14 Ultra China

Download Xiaomi 14 Ultra China Firmware (OS1.0.9.0.UNACNXM)