OS1.0.15.0.ULMCNXM
Redmi K40S
munch
Stable Android 14.0 China
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Version
OS1.0.15.0.ULMCNXM
Android
Android 14.0
Region
China
File Size
5.4 GB

Compatible Device

Redmi K40S
Redmi K40S
Xiaomi Redmi K40S Android smartphone. Announced Mar 2022. Features 6.67″ display, Snapdragon 870 5G chipset, 4500 mAh battery, 256 GB storage, 12 GB RAM, Corning Gorilla Glass 5.
View Device

Firmware Packages

2 available
Redmi K40S
Recovery
Codenamemunch
BranchStable
VersionOS1.0.15.0.ULMCNXM
AndroidAndroid 14.0
RegionChina
ReleasedMar 24, 2026
Size5.4 GB
MD5
Download Recovery
Redmi K40S
Fastboot
Codenamemunch
BranchStable
VersionOS1.0.15.0.ULMCNXM
AndroidAndroid 14.0
RegionChina
ReleasedMar 06, 2026
Size6.2 GB
MD5
Download Fastboot

Frequently Asked Questions

Install using the Recovery method. Ensure you have the required tools, back up your data, and follow the official Xiaomi flashing guide for your region to avoid issues.
MIUI is Xiaomi's custom Android skin, now evolving into HyperOS. It provides a refined interface, deep system customization, performance optimizations, and integrated Xiaomi services.
Fastboot flashing rewrites system partitions directly via PC — useful for clean installs or unbricking. Recovery flashing installs the update from within the phone's recovery mode, similar to an OTA update.
All firmware listed here is sourced directly from Xiaomi's official update servers. Always verify the MD5 hash before flashing to confirm file integrity.
MIUI adds features like Dual Apps, Second Space, a rich theme engine, MIUI Security, and deep system-level battery controls — all unavailable in stock Android.