Redmi K40S ROM Update

Redmi K40S

Redmi K40S firmware (codename munch) below are the stock stable HyperOS and MIUI, which can be downloaded as Fastboot ROM, Recovery ROM and OTA Update.

Phone model name corresponds to 22021211RC (China). Xiaomi ROM are downloaded free of charge from the official website miui.com. We only collect and publish links to stock flash files and original updates.

ModelRedmi K40S
Release dateMarch 2022
SupportActive
Current OSHyperOS 1, Android 14

Download the latest HyperOS and MIUI version and new updates:

China HyperOS 1.0.1.0.ULMCNXM

Latest version of the stable Chinese firmware for Redmi K40S by Xiaomi.

Recovery ROM

Version
1.0.1.0.ULMCNXM
OS
HyperOS 1
Android
Android 14
Release date
2024-04-19
File size
5.29 GB
Official Link
Download (.zip)
Changelog
Expand list

Fastboot ROM

Version
1.0.1.0.ULMCNXM
OS
HyperOS 1
Android
Android 14
Release date
2024-03-30
Flash file size
6.38 GB
Official Link
Download (.tgz)
Changelog
Expand list

The latest HyperOS or MIUI update doesn’t necessarily mean it’s the best. Read the reviews on the 4PDA or XDA Developers websites before installing new software update to Redmi K40S munch. If you downloaded Flash File, Full ROM or the latest OTA Update and encounter problems with your device after installation, please write about it in the comments section, quoting the number of the buggy firmware.

Other models in this lineup:
Redmi K40 Gaming
Redmi K40 Gaming
Redmi K40 Pro
Redmi K40 Pro / Pro Plus
Redmi K40
Redmi K40
MIUI ROM
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