|Source model||Open source (Android Base and Main Framework) with Proprietary components (Miui Apps and Kits)|
|Initial release||0.8.16 / 16 August 2010|
|Latest release||22.214.171.124 (Mainland China)|
126.96.36.199 (Global Market) / 23 January 2022
|Latest preview|| 22.1.19 (Mainland China) / 19 January 2022|
|Marketing target||Alternative OS replacement for Android devices;|
Stock firmware for Xiaomi mobile devices
|Available in||77 languages (varies by country)|
|Platforms||32-bit ARM, MIPS, x86, x64|
|Kernel type||Monolithic (modified Linux kernel)|
|License||Apache License 2.0 |
GNU General Public License v3
MIUI (pronunciation: Me You I) is a modified Android ROM developed by electronics manufacturer Xiaomi for its smartphones. This is a fork of the Android OS. MIUI includes various features such as theme support. There are different versions for each Xiaomi phone, and each version has variants according to the regions in which the phone is sold, such as Chinese, Global, EEA, Pakistan, Russian, Indonesian, Indian, Taiwan and Turkish.
Xiaomi has released some smartphones with Android One while others have MIUI, based on the current version of Android. Xiaomi devices usually get three Android version update, but get MIUI updates for four years.
The first MIUI ROM was based on Android 2.2.x Froyo and was initially developed in the Chinese language by Chinese startup Xiaomi Tech. Xiaomi added a number of apps to the basic framework, including their Notes, Backup, Music, and Gallery apps.
An organisation named Xiaomi Europe (xiaomi.eu), not a part of Xiaomi, was set up in 2010 as a community for English-language MIUI Android and Xiaomi products. xiaomi.eu works officially with Xiaomi on app translations and bug fixing. xiaomi.eu issues its own versions of Xiaomi MIUI ROMs, based on the stable and weekly beta versions of the Chinese ROM. Installing the xiaomi.eu ROM 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.
MIUI and Google Play services
Google has had disagreements with the Chinese government, and access to many Google services is blocked. MIUI does not ship with Google Play Services in mainland China. However, 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, Google Maps, Google Play Store pre-installed and functioning as on any other Android device. MIUI global versions are certified by Google.
Comparison of all MIUI variants
|Languages available||Few, including Chinese and English||Wide selection|
|Selection of downloadable themes||All||Some|
|Drag up search||Yes||Mi Browser (official)||Yes|
|Smart Assistant||App vault|
|Default source of apps||GetApps||Google Play
Additionally in India: Mi Picks (renamed to Apps) / Getapps
|Mi Cloud services||All||Some||All|
Updated every Thursday
|Usually updated every two months||No longer available||Usually updated every two 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|
(made by Xiaomi)
|Approved by the official distribution in the European Union.|
|Custom recovery requirement||No||Yes|
||Optional access to various Chinese online services||
|Supported Xiaomi devices||Majority
excluding devices never released in PRC
Older devices may not be updated
excluding devices never released outside PRC
Older devices may not be updated
MIUI vs Android
Although the 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 the stock Android. For instance, several elements in the MIUI 10 build resemble Android Pie features such as the multitasking menu and gesture controls. This change was first seen in the MIUI 9 (ver. 8.5.11) that shipped with the Xiaomi Mi MIX 2S. The MIUI firmware already looked like stock Android P.
Another difference from Android is the MIUI's support for themes and custom fonts. Users can download theme packs and fonts, which can change the user interface of the device once installed from the Mi Themes Store. It allows advanced users to tweak the hard-coded firmware of their handsets.
MIUI's kernel was proprietary, and in breach of Linux kernel's GPL. Source code for 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 MiCredit 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 MIUI version without them for India.
Many users also reported incorrect display in dark mode, higher battery consumption and unresponsive touch issue. MIUI 12 bugs have grown over the last few years on almost all the Redmi, Xiaomi and Poco devices, be it older or newer ones. The company is yet to officially release any statement.
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.
|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||N/A||0.8.16||Unknown||
|Old version, no longer maintained: MIUI V2||2.1-2.3.6
|Old version, no longer maintained: MIUI V3||2.3.6||Unknown||N/A||Unknown||Old version, no longer maintained: 2.4.20||
|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||
|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||
|Old version, no longer maintained: MIUI 6||4.4.2 – 5.0.2||29 August 2014||188.8.131.52||4.8.29||Old version, no longer maintained: 5.8.6||
|Old version, no longer maintained: MIUI 7||4.4.2 – 6.0.1||13 August 2015||184.108.40.206||5.8.12||Old version, no longer maintained: 6.5.26||
|Old version, no longer maintained: MIUI 8||4.4.2 – 7.1.2||16 June 2016||220.127.116.11||6.6.16||Old version, no longer maintained: 7.7.20||
|Old version, no longer maintained: MIUI 9||4.4.2 – 8.1.0||10 August 2017||18.104.22.168||7.8.10||Old version, no longer maintained: 8.5.24||
|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||
|Old version, no longer maintained: MIUI 11||7.0 – 10||22 October 2019||22.214.171.124||9.9.24||Old version, no longer maintained: 20.3.26||
|Older version, yet still maintained: MIUI 12||9 – 11||27 April 2020||126.96.36.199||20.4.27||Old version, no longer maintained: 20.12.10||
|Older version, yet still maintained: MIUI 12.5||10 – 12||28 December 2020||188.8.131.52||21.1.14||Old version, no longer maintained: 21.12.9||
|Current stable version: MIUI 13||11 – 12||28 December 2021||184.108.40.206||21.12.27||Current stable version: 21.12.29||
- List of custom Android firmware
- Comparison of mobile operating systems
- List of free and open-source Android applications
- About MIUI Video on YouTube
- What is MIUI?, retrieved 6 April 2021
- MIUI Official English Site, en.miui.com, archived from the original on 15 February 2014, retrieved 16 March 2014
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- Jason Lim (14 April 2011), MIUI, Lei Jun, TechNode, retrieved 17 January 2012
- MIUI Official English Site, archived from the original on 9 April 2014, retrieved 12 April 2014
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- Pfeffermann, Nicole; Gould, Julie (2017). Strategy and Communication for Innovation: Integrative Perspectives on Innovation in the Digital Economy. Cham, Switzerland: Springer. p. 30. ISBN 9783319495408.
- "小米的MIUI被指违反GPL许可证" (in Chinese). Solidot. 21 November 2012. Retrieved 6 August 2013.
- "MIUI is accused of non-compliance with free software license, users request MIUI to be free software (MIUI被指责不遵守开源软件协议，网友要求公开源代码)" (in Chinese). tech2ipo. 21 November 2012. Archived from the original on 3 March 2016. Retrieved 6 August 2013.
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- GitHub MiCode/Xiaomi_Kernel_OpenSource, GitHub, 31 March 2015, retrieved 8 April 2015
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- "[Unpatched Vulnerability] CVE-2019-11015: Lock Screen Auth Bypass leading to Sensitive Information Disclosure and an Improper Access Control issue in Xiaomi MIUI OS (latest stable releases affected) - Andmp | A blog about infosec, bug hunting and more!". www.andmp.com. Retrieved 28 November 2020.
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