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HyperOS updates for REDMI K90 Max (codename prague). Official Fastboot ROM and Recovery ROM firmware, build OS4.0.5.0.XAACNXM.

REDMI K90 Max Details

CPU Dimensity 9500

Update Version OS4.0.5.0.XAACNXM

Android Version N/A

OS Version HyperOS 4

Display Size 6.83"

EOL Status 1970-01-01

Fastboot ROM and Recovery ROM

Download the OS4.0.5.0.XAACNXM Fastboot ROM or Recovery ROM for REDMI K90 Max (prague). Recovery ROM installs from the Updater app. Fastboot ROM flashes with Mi Flash Tool.

Download the Recovery ROM.
Open the Updater app on your REDMI K90 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.
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 prague 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

OS4.0.5.0.XAACNXM

17 Recovery

Download Recovery ROM

Init Boot & Boot Images

Images

Download Images

Image Details

Kernel Version: 6.12.69-android16-6-g586bfab1b9c5-abogki536749445-4k

Security Patch: 2026-10-01

Build: OS4.0.261020.233332783.MTPECN.S

Available Images:

boot.img (64.00 MB)
init_boot.img (8.00 MB)
preloader_raw.img (1.14 MB)
vbmeta.img (0.01 MB)
vbmeta_system.img
vbmeta_vendor.img
vendor_boot.img (64.00 MB)

REDMI K90 Max OS4.0.5.0.XAACNXM Fastboot ROM OS4.0.5.0.XAACNXM Fastboot ROM