Xiaomi 12S Ultra ROM Update

Xiaomi 12S Ultra

Xiaomi 12S Ultra firmware (codename thor) below are the stock stable HyperOS and 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 miui.com. We only collect and publish links to stock flash files and original updates.

ModelXiaomi 12S Ultra
Release dateJuly 2022
SupportActive
Current OSHyperOS 1, Android 14

Download the latest HyperOS and MIUI version and new updates:

China HyperOS 1.0.4.0.ULACNXM

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

Recovery ROM

Version
1.0.4.0.ULACNXM
OS
HyperOS 1
Android
Android 14
Release date
2024-01-29
File size
5.99 GB
Official Link
Download (.zip)
Changelog
Expand list

Fastboot ROM

Version
1.0.4.0.ULACNXM
OS
HyperOS 1
Android
Android 14
Release date
2024-01-19
Flash file size
7.55 GB
Official Link
Download (.tgz)
Changelog
Expand list

The latest HyperOS or 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.

Other models in this lineup:
Xiaomi 12T Pro
Xiaomi 12T Pro
Xiaomi 12T
Xiaomi 12T
Xiaomi 12 Lite
Xiaomi 12 Lite
Xiaomi 12 Pro Dimensity
Xiaomi 12 Pro Dimensity
Xiaomi 12S Pro
Xiaomi 12S Pro
Xiaomi 12S
Xiaomi 12S
Xiaomi 12
Xiaomi 12
Xiaomi 12 Pro
Xiaomi 12 Pro
Xiaomi 12X
Xiaomi 12X
MIUI ROM
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  1. Khaled

    I need to download the global version of Xiaomi 12S Ultra. Can any one help me?

    Reply
    1. Yaroslav

      Are you sure, that global version for this phone exists?

      Reply
  2. Paul

    Hello,
    My intention is to update my XIAOMI 12S Ultra from the old 13.0.8 stable to the new 14.0.14. and
    I have managed to download from internet, from different places, 3 large files :
    thor_images_V14.0.14.0.TLACNXM_20230818.0000.00_13.0_cn_8daccfdccd. TGZ file 7.03 GB
    xiaomi.eu_multi_THOR_V14.0.14.0.TLACNXM_df60a3e5ff_v14-13.zip MD5file 32bytes
    xiaomi.eu_multi_THOR_V14.0.14.0.TLACNXM_df60a3e5ff_v14-13.zip Adobe Acrobat Document 5.03 GB
    Are these the right files or jokes? Should I reset to factory settings?
    What to do? where to copy them, in what folder to make Update ?
    Thank you
    Paul

    Reply
    1. Yaroslav

      And where did you download it from?

      Reply
  3. 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