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HyperOS updates for Xiaomi 15S Pro (codename dijun). Official Fastboot ROM and Recovery ROM firmware, build OS4.0.0.19.XODCNXM.

Security patch: 2026-09-01

Xiaomi 15S Pro Details

CPU Xiaomi XRING O1

Update Version OS4.0.0.19.XODCNXM

Android Version 17

OS Version HyperOS 4

Display Size 6.73"

EOL Status 2031-03-27

Fastboot ROM and Recovery ROM

Download the OS4.0.0.19.XODCNXM Fastboot ROM or Recovery ROM for Xiaomi 15S Pro (dijun). 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 15S Pro.
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.
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 dijun 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

This is a beta system update. It may be unstable and might not install through the stock updater.

OS4.0.0.19.XODCNXM

17 Recovery

Download Recovery ROM

Magisk Patch

Magisk v30.7

Download Magisk v30.7 Patched Images

Init Boot & Boot Images

Images

Download Images

Image Details

Kernel Version: 6.18.21-android17-5-g1d099fcb35e0-abogki538445360-4k

Security Patch: 2026-09-01

Build: OS4.0.260920.221408987.XRPECN.S

Available Images:

boot.img (96.00 MB)
init_boot.img (16.00 MB)
recovery.img (100.00 MB)
vbmeta.img (0.01 MB)
vbmeta_system.img
vbmeta_vendor.img (0.01 MB)
vendor_boot.img (96.00 MB)

Xiaomi 15S Pro OS4.0.0.19.XODCNXM Fastboot ROM China OS4.0.0.19.XODCNXM Fastboot ROM Beta