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 | Fastboot ROM (for Mi Flash) · Stable |
| File | myron_images_OS4.0.5.0.XPMCNXM_20261021.0000.00_17.0_cn_6a7d5f8f04.tgz |
| Size | 13.2 GB |
| Released | Oct 21, 2026 |
| Server | bkt-sgp-miui-ota-update-alisgp.oss-ap-southeast-1.aliyuncs.com (official Xiaomi) |
Check the file after downloading
On Windows, open Command Prompt in the download folder and run certutil -hashfile myron_images_OS4.0.5.0.XPMCNXM_20261021.0000.00_17.0_cn_6a7d5f8f04.tgz 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