OS2.0.104.0.VOCCNXM is a pilot (staged rollout) HyperOS 2 update for the Xiaomi 15 (China, codename dada), based on Android 15 and released on Jan 21, 2025. It brings the December 2024 Android security patch.
- Device Xiaomi 15 (
dada) - Region China
- OS HyperOS 2, Android 15
- Branch Pilot (staged rollout)
- Security patch 2024-12-01
- Build date Jan 18, 2025
- Fingerprint
Xiaomi/dada/dada:15/AQ3A.240812.002/OS2.0.104.0.VOCCNXM:user/release-keys
Download OS2.0.104.0.VOCCNXM
| Type | Size | MD5 | |
|---|---|---|---|
| Recovery ROM (.zip, built-in updater) | 7.6 GB | — | Download |
What’s New in OS2.0.104.0.VOCCNXM
Highlights
- Optimization: Frame drops and stuttering issues in Honor of Kings
System
- Optimization: System stability
- Fix: Errors occurred in some cases
Official release notes published by Xiaomi for this build.
How to Install This Update
Download the Recovery ROM, move it to the internal storage and choose Settings → About phone → (tap the OS card) → three dots → Choose update package. This keeps your data, but only works for a China phone on an older version. For a clean install or a region change, flash the Fastboot ROM with Mi Flash (unlocked bootloader required). Step-by-step instructions are on the Xiaomi 15 firmware page.
Other Xiaomi 15 China Versions
- Newer: OS3.0.307.0.WOCCNXM (Sep 3, 2026)
- All Xiaomi 15 firmware for every region
Build data: official Xiaomi servers. Firmware list tracked by XiaomiFirmwareUpdater.