This page lists the latest official firmware for the Mi 8 SE (codename sirius) in 1 region: China. Every file links to Xiaomi’s own update servers and is checked against Xiaomi’s MD5 checksum.
- Codename
sirius - Newest stable build V12.5.1.0.QEBCNXM (China, Jul 12, 2021)
- OS MIUI 12.5, Android 10
- Software support End of life: Xiaomi no longer releases updates
- Last checked Nov 8, 2026 22:37
Mi 8 SE Firmware Downloads
Mi 8 SE China ROM
| Version | Type | Branch | Size | Released | |
|---|---|---|---|---|---|
| V12.5.1.0.QEBCNXM MIUI 12.5 · Android 10 |
Recovery ROM (.zip) | Stable | 2.1 GB | Jul 12, 2021 | Download |
| V12.5.1.0.QEBCNXM MIUI 12.5 · Android 10 |
Fastboot ROM (.tgz) | Stable | 2.9 GB | Jun 25, 2021 | Download |
| 20.9.4 MIUI weekly · Android 10 |
Recovery ROM (.zip) | Weekly (developer) | 2.2 GB | Sep 4, 2020 | Download |
| 9.9.3 MIUI weekly · Android 9 |
Fastboot ROM (.tgz) | Weekly (developer) | 2.8 GB | Sep 4, 2019 | Download |
Firmware data: official Xiaomi servers, tracked by XiaomiFirmwareUpdater.
Which ROM Does My Mi 8 SE Need?
Open Settings → About phone and look at the OS version. The two letters before XM at the end show your region:
| Region | Ends with | Example |
|---|---|---|
| China | CNXM |
V12.5.1.0.QEBCNXM |
Install a ROM of the same region your phone already runs. A different region needs an unlocked bootloader and a Fastboot ROM.
How to Install Mi 8 SE Firmware
Recovery ROM (no PC, keeps your data)
- Download the Recovery ROM (
.zip) for your region and move it to the root of the internal storage. - Open Settings → About phone, tap the OS version card, then the three dots → Choose update package.
- Select the ZIP and wait until the phone installs it and reboots.
Fastboot ROM (PC, clean install)
- Unlock the bootloader first: HyperOS bootloader unlock guide.
- Install ADB, Fastboot and USB drivers and Mi Flash Tool.
- Extract the
.tgzwith 7-Zip, boot the phone into Fastboot (Power + Volume Down) and check the codename withfastboot getvar product: it must saysirius. - Select the ROM folder in Mi Flash, choose Clean all and click Flash.
Warning: never use Clean all and lock with a ROM from a different region or with any modified software. Re-locking a mismatched phone makes it unbootable. This model is sold for mainland China, and Xiaomi no longer unlocks China devices officially.
Mi 8 SE Guides and ROMs on Xiaomi Firmware
FAQ
What is the latest firmware for the Mi 8 SE?
- China: V12.5.1.0.QEBCNXM (Stable, Jul 12, 2021)
How long will the Mi 8 SE get updates?
Xiaomi lists the Mi 8 SE (as “Mi 8 SE”) as end of life: it no longer receives software or security updates. The firmware on this page is the final official release. Source: Xiaomi Security Center.
Are these files official?
Yes. Every download goes straight to Xiaomi’s servers (bigota.d.miui.com or Xiaomi’s Aliyun storage). We don’t host or modify the files. Compare the MD5 shown on the download page after downloading.
Recovery or Fastboot ROM: which one should I download?
Use the Recovery ROM to update without a PC and keep your data. Use the Fastboot ROM with Mi Flash to fix a bootloop, change region or do a clean install. It needs an unlocked bootloader and erases the phone.
