MIUI

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MIUI
ScreenshotScreenshot of MIUI 14
DeveloperXiaomi
OS familyAndroid-like OS (Android-based Linux OS)
Source modelOpen source (Modified Android Base and Main Framework) with Proprietary components (MIUI Apps and Kits)
Initial release0.8.16 / 16 August 2010 (2010-08-16)
Latest releaseVaries by mobile phone and region.
Latest previewV14.0.23.10.8.DEV (Mainland China) / 17 August 2023 (2023-08-17)
Marketing targetAlternative OS replacement for Android devices;
Stock firmware for Xiaomi smartphone and tablet
Available in77 languages (varies by country)
Package managerAPK-based
PlatformsARMv7, ARM64, MIPS, x86, x64
Kernel typeMonolithic (modified Linux kernel)
LicenseProprietary
Succeeded byXiaomi HyperOS
Official websitewww.mi.com/global/miui (Global)
home.miui.com (Mainland China)

MIUI is a deprecated mobile operating system by Xiaomi for its smartphones and devices, from 2010 to 2023, prior to the launch of its successor Xiaomi HyperOS.

MIUI was based on the Android Open Source Project, and served as the basis for other OS deviations by Xiaomi: MIUI for Poco, MIUI Pad, MIUI Watch, and MIUI TV (PatchWall).

There are different versions for each Xiaomi phone model, and each version has regional variants dependent on where the phone is sold, including China, Europe, Indonesia, India, Japan, Pakistan, Russia, Taiwan and Turkey. Xiaomi have also released a few devices running Google's Android One instead of MIUI. Xiaomi devices usually get three Android version updates, but get MIUI updates for four years (less for budget models).

The first MIUI ROM, released in 2010, was based on Android 2.2.x Froyo and was initially developed in China by Xiaomi in its first year of operation. Xiaomi added a number of apps to the basic framework, including Notes, Backup, Music, and Gallery apps.

An organisation named Xiaomi Europe, using the domain xiaomi.eu and working officially with Xiaomi despite not being affiliated with the Chinese company, was set up in 2010 as a community for English-language Xiaomi users with phones running MIUI associated with an Android version. The website issues its own stable and weekly versions of Xiaomi MIUI ROMs based on the stable, and on the weekly beta versions of the Chinese ROM. Installing the xiaomi.eu ROM, however, voids the warranty on Xiaomi phones; according to the xiaomi.eu leader, the official ROM must be flashed and the bootloader locked before returning a device for warranty repair.

Xiaomi is in the process of replacing MIUI with its new Android-based operating system named HyperOS, which has debuted with the Xiaomi 14 series.

Google Play services

Google has had disagreements with the Chinese government, and the Great Firewall currently blocks access to all Google services. Since Xiaomi has expanded its operations outside China; MIUI releases for Android devices outside mainland China have Google Play Services and Google Apps such as Gmail, GMaps, YouTube and Google Play pre-installed and functioning as on any other Android device. MIUI global versions are certified by Google, as are all MIUI devices, which ship with Google Play Services since MIUI 12.5.

Comparison of all MIUI variants

China Global Xiaomi.eu
Languages available Few, including Chinese and English Wide selection
Selection of downloadable themes All Some
Drag up search Yes

with international Bing and selection of Chinese search engines

Google App or Mi Browser Yes
Smart Assistant App vault Google Discover (App Vault in Indonesia, India, Russia and Taiwan) App vault and Google Discover
Default source of apps GetApps Google Play, Mi Picks/GetApps Google Play
Xiaomi Cloud services All Some All
Updates Developer Stable Beta Stable Dev/Beta Stable
No longer available Usually updated every two months No longer available Usually updated every three months Updated every Friday Usually updated every two months
OTA Yes Yes; patches are not supported, so a complete new ROM is downloaded each time
Official Yes
(made by Xiaomi)
Approved by the official distribution in the European Union.
Custom recovery requirement No Some
(recovery ROMs only)
Additional features Optional access to various Chinese online services Google apps on some ROMs instead of MIUI apps (Dialer, Messages, Contacts, Calendar)
  • Additional icons for some third-party apps
  • Unlocked some hardware features on selected devices
Supported Xiaomi devices Majority

excluding devices never released in PRC

Older devices may not be updated

Majority

excluding devices never released outside PRC

Older devices may not be updated

Android

Although MIUI is built on the Android platform, the default user interface of its earlier iterations resembled iOS due to the absence of the application tray, with a grid of icons arrayed in the home panels. Other iOS similarities include the app icons being in a uniform shape, the dialer and in-call interface, the organization of the Settings app, and the visual appearance of toggles in the UI. This prompted some observers to cite how the devices running on MIUI could appeal to iOS users wanting to switch to the Android platform. By 2018, MIUI was increasingly shifting towards a design aesthetic more similar to stock Android. For instance, several elements in builds of MIUI 10 resemble Android Pie features, such as the multitasking menu and gesture controls. This change was first seen in MIUI 9 (ver. 8.5.11) that shipped with Xiaomi Mi MIX 2S.

Another difference from Android is MIUI's support for themes and custom fonts. Users can download theme packs and fonts, which can change the user interface of the device when installed from the Mi Themes Store. It also allows more advanced users to tweak the hard-coded firmware of the handsets.

Issues

As MIUI's kernel was proprietary, it was in breach of Linux kernel's GPL. The source code of certain components was released to GitHub on 25 October 2013. Kernel sources for a few devices, including the Mi3, Mi4, MiNote, and Redmi 1S, were released in March 2015.

In order to raise funds for the company, MIUI has its own online services from Xiaomi, including cloud services, paid themes and games. Payments are transacted using the Mi Credit digital currency.

After the government of India banned over 100 Chinese apps and services in 2020 due to national security and privacy concerns, including some made by Xiaomi, the company developed a separate MIUI version without them for India.

Vulnerabilities

In April 2019, security researcher Arif Khan reported that Xiaomi's browser apps Mi Browser and Mint Browser suffered from a vulnerability that allowed the URL address bar to be spoofed, which affected Indian as well as certain global versions of MIUI. Xiaomi gave Khan a Bug bounty but opted not to fix this issue. In addition, a vulnerability in a wallpaper carousel app Glance on Indian versions of MIUI allowed a user to bypass the lock screen and access clipboard data. This vulnerability was eventually fixed by Xiaomi.

Performance issues

Some users encountered issues such as touch response problems on MIUI 12.5. Users also complain about overheating, slow performance, drop in framerate, unstable app function and files randomly missing from their phone's storage. The update to MIUI 13 brought several performance improvements.

Version history

Version Screenshot Android version Date of release Last Stable release Initial Beta release Last Beta release Notable change
Old version, no longer maintained: MIUI V1
2.1 16 August 2010 0.8.16 Un­known
  • Initial release
Old version, no longer maintained: MIUI V2 2.1-2.3.6
Un­known Un­known Un­known
Old version, no longer maintained: MIUI V3 2.3.6 Un­known Un­known Old version, no longer maintained: 2.4.20
  • Redesigned user interface
Old version, no longer maintained: MIUI V4 4.0.4 – 4.1.2 Un­known ICS24.0 Un­known Old version, no longer maintained: 3.2.22
  • New user interface
  • Added anti-virus
Old version, no longer maintained: MIUI V5 4.1.2 – 4.4.2 1 March 2013 31.0 3.3.1 Old version, no longer maintained: 4.12.5
  • New user interface
  • Google Services were removed from the Chinese version
Old version, no longer maintained: MIUI 6 4.4.2 – 5.0.2 29 August 2014 6.7.2.0 4.8.29 Old version, no longer maintained: 5.8.6
  • New user interface
  • Dropped devices running Android Jelly Bean or below
Old version, no longer maintained: MIUI 7 4.4.2 – 6.0.1 13 August 2015 7.5.9.0 5.8.12 Old version, no longer maintained: 6.5.26
  • Locked bootloader on selected old devices and all released afterwards
Old version, no longer maintained: MIUI 8 4.4.2 – 7.1.2 16 June 2016 8.5.10.0 6.6.16 Old version, no longer maintained: 7.7.20
  • Minor changes to the user interface
  • Updated system apps
  • Added support for Second Space and Dual apps.
Old version, no longer maintained: MIUI 9 4.4.2 – 8.1.0 10 August 2017 9.6.5.0 7.8.10 Old version, no longer maintained: 8.5.24
  • Minor changes to the user interface
  • Added split screen
  • Improved Notification Shade and QuickCard (currently known as App Vault)
  • New silent mode
  • Added key and gesture shortcuts
  • Added face unlock.
Old version, no longer maintained: MIUI 10

6.0 – 9 19 June 2018 10.4.5.0 8.6.14 Old version, no longer maintained: 9.9.6
  • New notification shade
  • Extended notifications' functionality
  • New recent apps screen, volume control, Clock, Calendar and Notes
  • Higher integration with Xiaomi
  • Minor changes to the user interface
  • Removed black theme (Mi Note 2)
  • Dropped devices running Android Lollipop or below
Old version, no longer maintained: MIUI 11 7.0 – 10 22 October 2019 11.0.14.0 9.9.24 Old version, no longer maintained: 20.3.26
  • Dropped devices running Android Marshmallow
  • Based on Android 10 on some devices
  • System-wide dark mode, with dark mode scheduling.
  • Monochrome ultra power saving mode
  • Mi calculator (Pip mode)
  • MIUI Notes App Download
  • New icons
  • Optional app drawer setting for system launcher
  • Smoother animations
  • Status bar optimizations
  • Automatic screenshot management
  • Added ultra battery saver (China)
  • Opt Out Of Adverts Settings
  • China ROM only first
Old version, no longer maintained: MIUI 12 9 – 11 27 April 2020 12.2.7.0 20.4.27 Old version, no longer maintained: 20.12.10
  • Dropped devices running Android Oreo or below
  • Dark Mode 2.0
  • New gestures and animations (Smoother animations, in boxes)
  • New Icons
  • New notification shade
  • AI help for calls (automatic reply)
  • Super Wallpaper (Planet zoom from always on display to Lockscreen to Homescreen)
  • App drawer for first time
  • More privacy-focused
  • 1-time permission for location, contacts etc. in third-party apps
  • Added floating windows
  • Added ultra battery saver for the global version
  • Added Lite Mode
  • Added Video toolbox.
  • New fingerprint animations
  • New camera & gallery filters
  • Redesigned app vault
Older version, yet still maintained: MIUI 12.5 10 – 12 28 December 2020 12.5.26.0 20.12.25 Old version, no longer maintained: 21.7.5
  • Dropped devices running Android Pie
  • New nature sounds of notifications
  • Smoother animations
  • Redesigned app folders
  • Added vertical layout for Recents (only on Android 11)
  • Improvements for Mi Notes
  • Added new Super wallpapers ("Geometry" and "Mount Siguniang")
  • Added heart rate measure using the camera (China only)
  • New Mi Notes icon
Older version, yet still maintained: MIUI 13 11 – 13 28 December 2021 13.2.8.0 (Mainland China)
13.2.6.0 (Global Market)
21.7.6 Old version, no longer maintained: 13.1.22.10.25.DEV (Android 13 Weekly)
13.1.22.10.24.DEV (Android 12 Weekly)
22.11.23 (Daily Beta for some devices)
22.10.26 (Daily Beta)
  • Dropped devices running Android 10
  • Minor changes to the user interface
  • New widgets
  • New one-handed mode from Android 12
  • Redesigned App Vault
  • New Mi Sans font (China only)
  • Redesigned Control center
  • New live wallpapers
  • Added sidebar (only phones)
  • Redesigned Game Turbo and Video toolbox
  • Improved multitasking on tablets
  • Mi Smart Hub (China only)
  • Redesigned Notes App
  • Improved fingerprint animations
  • Improved MIUI Launcher
Older version, yet still maintained: MIUI 14 12 – 14 11 December 2022 14.1.10.0 14.0.22.12.5.DEV Old version, no longer maintained: 14.0.23.10.8.DEV
  • Dropped devices running Android 11
  • Minor changes to the user interface
  • New widgets
  • New wallpapers
  • Super Icons (China only)
  • Pets and animals (China only)
  • Photon Engine
  • Razor Project
  • New family share features
  • MIUI Interconnect

See also

Notes

  1. ^ /ˌmiː.juː.ˈaɪ/ MEE-yoo-EYE

References

  1. ^ "Mi OpenSource". github.com.
  2. ^ About MIUI Video on YouTube
  3. ^ Xiaomi 13 Quick Start Guide
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  6. ^ "Xiaomi HyperOS".
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External links