Download Firmware

Download Xiaomi 18 Pro Max China OS4.0.27.0.XEOCNXM

DeviceXiaomi 18 Pro Max (madrid)
RegionChina
VersionOS4.0.27.0.XEOCNXM
OSHyperOS 4, Android 17
TypeFastboot ROM (for Mi Flash) · Stable
Filemadrid_images_OS4.0.27.0.XEOCNXM_20261016.0000.00_17.0_cn_fe42bbc379.tgz
Size15.2 GB
MD5fe42bbc379
First 10 characters of the MD5 checksum, from Xiaomi's file name
ReleasedOct 16, 2026
Serverbkt-sgp-miui-ota-update-alisgp.oss-ap-southeast-1.aliyuncs.com (official Xiaomi)

Your download will start in 5 seconds…

Download now

Get Xiaomi 18 Pro Max update alerts

Our Telegram bot messages you the moment Xiaomi releases new firmware or HyperOS 4 for the Xiaomi 18 Pro Max, with direct download links. Free, one tap to stop.

Follow Xiaomi 18 Pro Max in Telegram or join the channel

Check the file after downloading

On Windows, open Command Prompt in the download folder and run certutil -hashfile madrid_images_OS4.0.27.0.XEOCNXM_20261016.0000.00_17.0_cn_fe42bbc379.tgz MD5. The result must start with fe42bbc379. If it doesn't, the download is broken. Download it again before flashing.

Next steps: all Xiaomi 18 Pro Max firmware · Mi Flash Tool · ADB & Fastboot drivers