← POCO F8 Ultra | REDMI K90 Pro Max · CN

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM: page for this exact HyperOS build on myron (Android 17.0 · 9.5G · 24.07.2026). The recovery package here is version OS4.0.4.0.XPMCNXM only — do not confuse it with other CN releases in history.

Firmware OS4.0.4.0.XPMCNXM for POCO F8 Ultra | REDMI K90 Pro Max (CN) — an official HyperOS build. Direct download link, file verified.

POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM Android 17.0 is the official HyperOS recovery package for myron (myron-ota_full-OS4.0.4.0.XPMCNXM-user-17.0-70d1c400a4.zip?t=1792232799&s=2b2740431a1547a0d540a405fa06904b), branch F. It is meant for local updates — confirm region CN matches your device firmware before flashing.

This is the current CN build for POCO F8 Ultra | REDMI K90 Pro Max on Otree.pro: download link, install steps, and sibling releases are listed below.

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM from the link below. Back up your data and follow the HyperOS recovery install guide.

Firmware details

Device: POCO F8 Ultra | REDMI K90 Pro Max

Codename: myron

Region: CN

Version: OS4.0.4.0.XPMCNXM

Android: 17.0

Branch: F

File: myron-ota_full-OS4.0.4.0.XPMCNXM-user-17.0-70d1c400a4.zip?t=1792232799&s=2b2740431a1547a0d540a405fa06904b

Size: 9.5G

Release date: 24.07.2026

Download firmware POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM

Installation

POCO F8 Ultra | REDMI K90 Pro Max · CN · OS4.0.4.0.XPMCNXM — step-by-step HyperOS recovery install.

Download the recovery package from the link above.
Open System Update on the device.
Menu ⋮ → Choose update package and select the downloaded file.
Wait until install finishes — the device will reboot on its own.
Do not power off or interrupt the process while flashing.

Source & authenticity

Files are indexed from public HyperOS / Xiaomi builds and community mirrors. Otree.pro is not affiliated with Xiaomi; the original release and device settings remain authoritative.

CN and Global/EEA/RU builds use different packages and services. Install the region that matches your device firmware, or you may hit signature conflicts.

Before flashing, back up important data and make sure the device is sufficiently charged.

History

POCO F8 Ultra | REDMI K90 Pro Max CN HyperOS — other CN releases alongside OS4.0.4.0.XPMCNXM.

Regions

RELEASE SCHEDULE:

HyperOS:

WAVE:

From October 15

Xiaomi 17 Ultra / Xiaomi 17 Ultra Leica
nezha
Xiaomi 17 Pro Max
popsicle
Xiaomi 17 Pro
pandora
Xiaomi 17
pudding

REDMI K100 Pro Max
songyuan
REDMI K100 Pro
athens
REDMI K90 Pro Max / Champion Edition
myron
REDMI K90
annibale

For now only the official CN (China) rollout schedule is available. Xiaomi has not announced Global, EEA, or RU dates yet.

FOLLOW OUR CHANNEL

Xiaomi published the official China rollout plan: October 15, 2026 through January 2027, in waves by model. Global and RU dates aren’t announced yet.

Early waves cover Xiaomi 17 / 15 lines, REDMI K90 / K80 / K100, and several tablets — full list on this page. The Global list will be separate.

Only China Beta is open for now. Global builds will arrive after a release for your region, via system settings or our app.

For China Beta, check the waves above. For Global, it depends on whether Xiaomi includes the model in the official update list.

The official CN stable plan is already on this page (waves 1–6). We’ll add Global and EEA/RU when Xiaomi publishes them.

We’re on the beta and share detailed coverage in the Otreepro Telegram channel.

The list above is Xiaomi’s official stable HyperOS 4 plan for China only. Global / EEA / RU come later. Device names follow Xiaomi’s public schedule.

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM

Firmware OS4.0.4.0.XPMCNXM for POCO F8 Ultra | REDMI K90 Pro Max (CN) — an official HyperOS build. Direct download link, file verified.

This is the current CN build for POCO F8 Ultra | REDMI K90 Pro Max on Otree.pro: download link, install steps, and sibling releases are listed below.

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM from the link below. Back up your data and follow the HyperOS recovery install guide.

Firmware details

Device: POCO F8 Ultra | REDMI K90 Pro Max

Codename: myron

Region: CN

Version: OS4.0.4.0.XPMCNXM

Android: 17.0

Branch: F

File: myron-ota_full-OS4.0.4.0.XPMCNXM-user-17.0-70d1c400a4.zip?t=1792232799&s=2b2740431a1547a0d540a405fa06904b

Size: 9.5G

Release date: 24.07.2026

Installation

POCO F8 Ultra | REDMI K90 Pro Max · CN · OS4.0.4.0.XPMCNXM — step-by-step HyperOS recovery install.

Download the recovery package from the link above.
Open System Update on the device.
Menu ⋮ → Choose update package and select the downloaded file.
Wait until install finishes — the device will reboot on its own.
Do not power off or interrupt the process while flashing.

Source & authenticity

Files are indexed from public HyperOS / Xiaomi builds and community mirrors. Otree.pro is not affiliated with Xiaomi; the original release and device settings remain authoritative.

CN and Global/EEA/RU builds use different packages and services. Install the region that matches your device firmware, or you may hit signature conflicts.

Before flashing, back up important data and make sure the device is sufficiently charged.

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM

Firmware details

Installation

Source & authenticity

History

Regions

DOWNLOAD FIRMWARE IN OUR APPAbsolutely free!

RELEASE SCHEDULE:

Download POCO F8 Ultra | REDMI K90 Pro Max CN OS4.0.4.0.XPMCNXM

Firmware details

Installation

Source & authenticity

History

Regions

DOWNLOAD FIRMWARE IN OUR APPAbsolutely free!

RELEASE SCHEDULE: