HyperOS 1.0Stable BetaChina

Redmi K40 Pro / Pro+ HyperOS 1.0 OS1.0.15.0.UKKCNXM

Q: Which Android version does OS1.0.15.0.UKKCNXM use?

This firmware is based on Android 14.0 .

Q: Will installing OS1.0.15.0.UKKCNXM 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.

Stable Beta firmware for the China Redmi K40 Pro / Pro+ (haydn), released October 28, 2025.

Download OS1.0.15.0.UKKCNXM

Recovery ROM (OTA .zip) · 5.6 GB Install from the phone’s updater app — keeps your data.

MD5: 4b3e599ff668b743d01382fcbacacce6

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 K40 Pro / Pro+
Codename: haydn
Region: China
Version: OS1.0.15.0.UKKCNXM
OS: HyperOS 1.0
Android: 14.0
Branch: Stable Beta
Released: Oct 28, 2025
Package: Recovery 5.6 GB

How to install OS1.0.15.0.UKKCNXM

Recovery ROM (recommended, keeps data)

Back up your important data and charge the phone to at least 50%.
Download the Recovery ROM above on your Redmi K40 Pro / Pro+.
Open Settings → About phone and tap the HyperOS version card.
Tap the ⋮ menu → Choose update package and select the downloaded .zip file.
Wait for verification, then tap Reboot now. The update takes 10–20 minutes.

Other Redmi K40 Pro / Pro+ (China) builds

Device page →

Device	Version	Android	Branch	Released
Redmi K40 Pro / Pro+China · `haydn`	OS1.0.13.0.UKKCNXM HyperOS 1.0Stable	14.0	Stable	Apr 7, 2025
Redmi K40 Pro / Pro+China · `haydn`	V14.0.23.4.17.DEV MIUI 14Public Beta	13.0	Public Beta	Apr 21, 2023
Redmi K40 Pro / Pro+China · `haydn`	V14.0.22.12.5.DEV MIUI 14Public Beta	13.0	Public Beta	Dec 5, 2022
Redmi K40 Pro / Pro+China · `haydn`	22.3.23 MIUI BetaWeekly	12.0	Weekly	Mar 24, 2022
Redmi K40 Pro / Pro+China · `haydn`	22.1.19 MIUI BetaWeekly	12.0	Weekly	Jan 19, 2022

Redmi K40 Pro / Pro+ firmware for other regions

Frequently asked questions

Is OS1.0.15.0.UKKCNXM an official Redmi K40 Pro / Pro+ update?

Yes. OS1.0.15.0.UKKCNXM is an official Stable Beta HyperOS 1.0 build for the Redmi K40 Pro / Pro+ (China), released by Xiaomi on October 28, 2025. The download links point directly to Xiaomi’s update servers.

Which Android version does OS1.0.15.0.UKKCNXM use?

This firmware is based on Android 14.0.

Will installing OS1.0.15.0.UKKCNXM 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 (haydn). Cross-region flashing requires an unlocked bootloader and can cause problems.