Download Xiaomi 12S China OS3.0.3.0.VLTCNXM
| Device | Xiaomi 12S (mayfly) |
|---|---|
| Region | China |
| Version | OS3.0.3.0.VLTCNXM |
| OS | HyperOS 3, Android 15 |
| Type | Recovery ROM (for the built-in updater) · Stable |
| File | mayfly-ota_full-OS3.0.3.0.VLTCNXM-user-15.0-16f6dcd338.zip |
| Size | 6.3 GB |
| MD5 | 16f6dcd338First 10 characters of the MD5 checksum, from Xiaomi's file name |
| Released | Mar 23, 2026 |
| Server | bigota.d.miui.com (official Xiaomi) |
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Download now Mirror (cdnorg.d.miui.com) Fast mirror (Singapore)
Download slow or stalling halfway? Xiaomi's main servers often throttle large files. The Singapore mirror is Xiaomi's own Alibaba Cloud server with the same file, and it's usually much faster, especially in Asia.
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Check the file after downloading
On Windows, open Command Prompt in the download folder and run certutil -hashfile mayfly-ota_full-OS3.0.3.0.VLTCNXM-user-15.0-16f6dcd338.zip MD5. The result must start with 16f6dcd338. If it doesn't, the download is broken. Download it again before flashing.
Next steps: all Xiaomi 12S firmware · Mi Flash Tool · ADB & Fastboot drivers