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Redmi K50 Ultra
HyperOS 1.0Stable BetaChina

Redmi K50 Ultra HyperOS 1.0 OS1.0.15.0.ULFCNXM

Stable Beta firmware for the China Redmi K50 Ultra (diting), released January 23, 2025.

Download OS1.0.15.0.ULFCNXM

Recovery ROM (OTA .zip) · 5.9 GB Install from the phone’s updater app — keeps your data.
MD5: bad39626807ef279c338a91499c65dcd
Download

This is a Stable Beta build. It may contain bugs and is meant for testers — wait for the Stable release if you depend on your phone daily.

Files are served from Xiaomi’s official servers. Compare the MD5 checksum after downloading to make sure the file is complete and untouched.

Firmware details

Device
Redmi K50 Ultra
Codename
diting
Region
China
Version
OS1.0.15.0.ULFCNXM
OS
HyperOS 1.0
Android
14.0
Branch
Stable Beta
Released
Jan 23, 2025
Package
Recovery 5.9 GB

How to install OS1.0.15.0.ULFCNXM

Recovery ROM (recommended, keeps data)

  1. Back up your important data and charge the phone to at least 50%.
  2. Download the Recovery ROM above on your Redmi K50 Ultra.
  3. Open Settings → About phone and tap the HyperOS version card.
  4. Tap the ⋮ menu → Choose update package and select the downloaded .zip file.
  5. Wait for verification, then tap Reboot now. The update takes 10–20 minutes.

Other Redmi K50 Ultra (China) builds

Device page →
DeviceVersionAndroidBranchReleased
Redmi K50 UltraChina · ditingOS3.0.3.0.VLFCNXM
HyperOS 3.0Stable
15.0Stable
Redmi K50 UltraChina · ditingOS1.0.24.1.8.DEV
HyperOS 1.0Public Beta
14.0Public Beta
Redmi K50 UltraChina · ditingV14.0.22.12.5.DEV
MIUI 14Public Beta
13.0Public Beta

Redmi K50 Ultra firmware for other regions

Frequently asked questions

Is OS1.0.15.0.ULFCNXM an official Redmi K50 Ultra update?
Yes. OS1.0.15.0.ULFCNXM is an official Stable Beta HyperOS 1.0 build for the Redmi K50 Ultra (China), released by Xiaomi on January 23, 2025. The download links point directly to Xiaomi’s update servers.
Which Android version does OS1.0.15.0.ULFCNXM use?
This firmware is based on Android 14.0.
Will installing OS1.0.15.0.ULFCNXM erase my data?
Installing the Recovery package through the updater app keeps your apps and data. Flashing the Fastboot package with “clean all” wipes the phone — back up first.
Can I install this on another region’s device?
Only install firmware that matches your device’s region (China) and codename (diting). Cross-region flashing requires an unlocked bootloader and can cause problems.