9.9.3 is a weekly (developer) MIUI weekly update for the Mi 8 SE (China, codename sirius), based on Android 9 and released on Sep 4, 2019.
- Device Mi 8 SE (
sirius) - Region China
- OS MIUI weekly, Android 9
- Branch Weekly (developer)
Download 9.9.3
| Type | Size | MD5 | |
|---|---|---|---|
| Fastboot ROM (.tgz, Mi Flash) | 2.8 GB | — | Download |
What’s New in 9.9.3
Xiaomi hasn’t published release notes for this build. Updates like this usually contain bug fixes, stability improvements and, if listed above, a new security patch.
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 Mi 8 SE firmware page.
Other Mi 8 SE China Versions
- Newer: 20.9.4 (Sep 4, 2020)
- All Mi 8 SE firmware for every region
Build data: official Xiaomi servers. Firmware list tracked by XiaomiFirmwareUpdater.