Download Redmi K90 Pro Max China OS4.0.5.0.XPMCNXM
| Device | Redmi K90 Pro Max (myron) |
|---|---|
| Region | China |
| Version | OS4.0.5.0.XPMCNXM |
| OS | HyperOS 4, Android 17 |
| Type | Recovery ROM (for the built-in updater) · Stable |
| File | myron-ota_full-OS4.0.5.0.XPMCNXM-user-17.0-e2d9be411c.zip |
| Size | 10.2 GB |
| Released | Oct 23, 2026 |
| Server | bigota.d.miui.com (official Xiaomi) |
Check the file after downloading
On Windows, open Command Prompt in the download folder and run certutil -hashfile myron-ota_full-OS4.0.5.0.XPMCNXM-user-17.0-e2d9be411c.zip MD5. The result must match the MD5 above. If it doesn't, the download is broken. Download it again before flashing.
Next steps: all Redmi K90 Pro Max firmware · Mi Flash Tool · ADB & Fastboot drivers