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HyperOS updates for Xiaomi 18 Pro Max (codename madrid). Official Fastboot ROM and Recovery ROM firmware, build OS4.0.9.0.XEOCNXM.

Fastboot package: madrid_images_OS4.0.9.0.XEOCNXM_20260921.0000.00_17.0_cn_141958367b.tgz

Security patch: 2026-09-01

Xiaomi 18 Pro Max Details

CPU Snapdragon 8 Elite Gen 5

Update Version OS4.0.9.0.XEOCNXM

Android Version 17

OS Version HyperOS 4

Display Size 6.9"

EOL Status 2032-09-23

Fastboot ROM and Recovery ROM

Download the OS4.0.9.0.XEOCNXM Fastboot ROM or Recovery ROM for Xiaomi 18 Pro Max (madrid). Recovery ROM installs from the Updater app. Fastboot ROM flashes with Mi Flash Tool.

Download the Recovery ROM.
Open the Updater app on your Xiaomi 18 Pro Max.
Tap the three dots and select Choose update package.
Select the downloaded ROM. The phone reboots into the new version when it finishes.

Fastboot ROM

Download the Fastboot ROM package (madrid_images_OS4.0.9.0.XEOCNXM_20260921.0000.00_17.0_cn_141958367b.tgz).
Boot the phone into Fastboot and connect it to a computer.
Flash the package with Mi Flash Tool. Fastboot flashing erases data.

Note: Match the codename madrid before flashing. Beta builds may not install from the stock updater.

Device Photos

Changelog

See what's new in this version including bug fixes, improvements and new features...

Complete Changelog

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Downloads

OS4.0.9.0.XEOCNXM

17 Recovery

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OS4.0.9.0.XEOCNXM

17 Fastboot ROM

madrid_images_OS4.0.9.0.XEOCNXM_20260921.0000.00_17.0_cn_141958367b.tgz

Download Fastboot ROM

Magisk Patch

Magisk v30.7

Download Magisk v30.7 Patched Images

Init Boot & Boot Images

Images

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Image Details

Kernel Version: 6.18.21-android17-5-g1d099fcb35e0-abogki540753930-4k

Security Patch: 2026-09-01

Build: OS4.0.260920.212239062.QCPECN.S

Available Images:

boot.img (96.00 MB)
init_boot.img (8.00 MB)
vbmeta.img (0.01 MB)
vbmeta_system.img
vendor_boot.img (128.00 MB)

Xiaomi 18 Pro Max OS4.0.9.0.XEOCNXM Fastboot ROM China OS4.0.9.0.XEOCNXM Fastboot ROM