Xiaomi 12S Ultra ROM Update

Xiaomi 12S Ultra

Xiaomi 12S Ultra firmware (codename thor) below are the stock stable MIUI, which can be downloaded as Fastboot ROM, Recovery ROM and OTA Update.

Phone model name corresponds to 2203121C (China). Xiaomi ROM are downloaded free of charge from the official website bigota.d.miui.com. We post links to stock Xiaomi 12S Ultra flash files and original updates.

Download the latest MIUI version and new updates:

China 14.0.12.0.TLACNXM

Latest version of the stable Chinese firmware for Xiaomi 12S Ultra by Xiaomi.

Recovery ROM

Version
14.0.12.0.TLACNXM
System
MIUI 14
Android
Android 13
Release date
2023-04-09
File size
6.11 GB
Official Link
Download (.zip)
Changelog
Expand list

Fastboot ROM

Version
14.0.12.0.TLACNXM
System
MIUI 14
Android
Android 13
Release date
2023-04-15
Flash file size
7.81 GB
Official Link
Download (.tgz)
Changelog
Expand list

OTA Update

Version
14.0.12.0.TLACNXM
File size
712.09 MB
Apply for
14.0.10.0.TLACNXM
Official Link
Download (.zip)

The latest MIUI update doesn’t necessarily mean it’s the best. Read the reviews on the 4PDA or XDA Developers websites before installing new software update to Xiaomi 12S Ultra thor. If you downloaded Flash File, Full ROM or the latest OTA Update and encounter problems with your device after installation, please write about it in the comments section, quoting the number of the buggy firmware.

Xiaomi releases monthly and quarterly security patch updates for Xiaomi, Redmi, and POCO for 2-3 years after market launch. Monthly and quarterly security updates include Android security patches from Google as well as Xiaomi fixes.


MIUI ROM
Add a comment

  1. Maemilev

    Miui13 rom 13.0.9.0 is soo terrible. It can’t even support google assistant hands free option and unsecure app prompt on app keep prompting for 10 seconds approval.

    Reply
    1. Yaroslav

      There’s not surprising, because MIUI 13 is a vwery raw OS.

      Reply