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 only post links to stock Xiaomi 12S Ultra flash files and original updates.

Download the latest MIUI version and new updates for the following regions below:

China 14.0.5.0.TLACNXM

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

Recovery ROM

Version
14.0.5.0.TLACNXM
System
MIUI 14
Android
Android 13
Release date
2023-01-15
File size
6.10 GB
Official Link
Download (.zip)

Fastboot ROM

Version
14.0.5.0.TLACNXM
System
MIUI 14
Android
Android 13
Release date
2023-01-25
Flash file size
7.87 GB
Official Link
Download (.tgz)

OTA Update

Version
14.0.5.0.TLACNXM
File size
55.54 MB
Apply for
14.0.3.0.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 the Xiaomi, Redmi and POCO for 2-3 years after the device goes to market. Monthly and quarterly security updates include Android security patches from Google as well as fixes for specific issues from Xiaomi.

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