Xiaomi 12S China HyperOS OS1.0.8.0.ULTCNXM Update

HyperOS OS1.0.8.0.ULTCNXM Stable Official Update for Xiaomi 12S China (mayfly)

This page shows the OS1.0.8.0.ULTCNXM update only. If you're looking for other updates check here.

Note: All files listed here are official untouched HyperOS ROMs. It's not owned, modified or edited by XM Firmware Updater.

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This page shows a single update only. If you're looking for another update or other downloads check:

HyperOS Downloads Firmware Downloads Vendor Downloads
  • Device: Xiaomi 12S China
  • Codename: mayfly
  • Version: OS1.0.8.0.ULTCNXM
  • Branch: Stable
  • Type: Recovery
  • Size: 5.8 GB
  • Release Date: 2024-08-14
  • Package Name: miui_MAYFLY_OS1.0.8.0.ULTCNXM_c4279b8fdb_14.0.zip
  • MD5: c4279b8fdb17faa5b0d54fedd8d75963
  • Download:
  • Changelog:

    [System]
    Optimization: Optimized memory usage to improve the smoothness of TikTok (Douyin)
    Updated the security patch to August 2024. Increased system security.
    [Floating windows]
    Fix: Video apps weren't displayed correctly when switching screen orientation
    Fix: The size of pinned floating windows for some games was incorrect
    [Home screen]
    Fix: Empty spots appeared in Second space Home screen layout in some cases
    [Cross-device intelligent connectivity]
    Optimization: Discovering devices in Xiaomi Smart Hub is faster now
    [Lock screen]
    New: A switch for a feature that allows long pressing Home screen to edit it
    [Clock]
    Fix: When setting alarm repetition, the checkbox was displayed abnormally when switching to Dark mode
    [Calculator]
    Fix: Mortgage loan calculator wasn't displayed correctly when switching screen orientation in Split screen
    [Screen Time]
    Fix: On rare occasions, time stats weren't displayed in Screen time
    [Settings]
    New: A major update to CarWith's visual experience, with redesigned styles for 6 different horizontal and vertical car system screen sizes. This update includes new cards for maps and music, and Mi AI conversation styles.
    New: CarWith now offers enhanced personalization options, including wallpapers, backgrounds, card sorting, widgets, and more
    Optimization: Enhanced CarWith navigation experience by supporting fullscreen map navigation and introducing a new floating navigation window
    Optimization: CarWith connectivity and overall stability
    [Security]
    Fix: Disaster warning subscribed locations disappeared in some cases
    [Status bar, Notification shade]
    Fix: Text and notifications were displayed incorrectly for some languages under specific conditions

  • Device: Xiaomi 12S China
  • Codename: mayfly
  • Version: OS1.0.8.0.ULTCNXM
  • Branch: Stable
  • Type: Fastboot
  • Size: 7.2 GB
  • Release Date: 2024-07-31
  • Package Name: mayfly_images_OS1.0.8.0.ULTCNXM_20240731.0000.00_14.0_cn_42e92a1bb3.tgz
  • MD5: 42e92a1bb3c0827ef830a9240c6dfdad
  • Download:
  • Changelog:

    [System]
    Optimization: Optimized memory usage to improve the smoothness of TikTok (Douyin)
    Updated the security patch to August 2024. Increased system security.
    [Floating windows]
    Fix: Video apps weren't displayed correctly when switching screen orientation
    Fix: The size of pinned floating windows for some games was incorrect
    [Home screen]
    Fix: Empty spots appeared in Second space Home screen layout in some cases
    [Cross-device intelligent connectivity]
    Optimization: Discovering devices in Xiaomi Smart Hub is faster now
    [Lock screen]
    New: A switch for a feature that allows long pressing Home screen to edit it
    [Clock]
    Fix: When setting alarm repetition, the checkbox was displayed abnormally when switching to Dark mode
    [Calculator]
    Fix: Mortgage loan calculator wasn't displayed correctly when switching screen orientation in Split screen
    [Screen Time]
    Fix: On rare occasions, time stats weren't displayed in Screen time
    [Settings]
    New: A major update to CarWith's visual experience, with redesigned styles for 6 different horizontal and vertical car system screen sizes. This update includes new cards for maps and music, and Mi AI conversation styles.
    New: CarWith now offers enhanced personalization options, including wallpapers, backgrounds, card sorting, widgets, and more
    Optimization: Enhanced CarWith navigation experience by supporting fullscreen map navigation and introducing a new floating navigation window
    Optimization: CarWith connectivity and overall stability
    [Security]
    Fix: Disaster warning subscribed locations disappeared in some cases
    [Status bar, Notification shade]
    Fix: Text and notifications were displayed incorrectly for some languages under specific conditions