V13.0.1.1.15.DEV is a public beta MIUI 13 update for the Mi 10 Ultra (China, codename cas), based on Android 12 and released on Mar 8, 2022.
- Device Mi 10 Ultra (
cas) - Region China
- OS MIUI 13, Android 12
- Branch Public beta
Download V13.0.1.1.15.DEV
| Type | Size | MD5 | |
|---|---|---|---|
| Fastboot ROM (.tgz, Mi Flash) | 5.2 GB | — | Download |
What’s New in V13.0.1.1.15.DEV
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 10 Ultra firmware page.
Other Mi 10 Ultra China Versions
- Newer: 22.3.23 (Mar 24, 2022)
- Older: 22.3.2 (Mar 2, 2022)
- All Mi 10 Ultra firmware for every region
Build data: official Xiaomi servers. Firmware list tracked by XiaomiFirmwareUpdater.