MIUI

MIUI (pronunciation: Me You I; is UI for Mi)[2] is a mobile UI (User Interface)[3] developed and maintained by manufacturer Xiaomi exclusively for its Smartphone and related communication devices.[4][5] MIUI is based on the Android Open Source Project (AOSP) version of Android, and serves as the basis for other operating systems created by Xiaomi: MIUI for POCO, MIUI Pad, MIUI Watch,[6] and MIUI TV (PatchWall).

MIUI
Screenshot
Screenshot of MIUI 14
DeveloperXiaomi
OS familyAndroid-like OS (Android-based Linux OS)
Working stateCurrent
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. / 12 January 2023 (2023-01-12)
Latest preview[13] V14.0.23.8.15.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
Apache License 2.0 (only patchrom)[1]
Succeeded byHyperOS
Official websitewww.mi.com/global/miui (Global)
home.miui.com (Mainland China)

There are different versions for each Xiaomi phone model, and each version has variants according to the regions in which the phone is sold, inclusing 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).[7]

The first MIUI ROM, released in 2010, was based on Android 2.2.x Froyo and was initially developed in Chinese by Xiaomi in its first year.[8] Xiaomi added a number of apps to the basic framework, including Notes, Backup, Music, and Gallery apps.[9]

An organisation named Xiaomi Europe and using Web domain xiaomi.eu, working officially with Xiaomi but not affiliated with the Chinese company,[10] was set up in 2010 as a community for English-language Xiaomi phones running MIUI associated with an Android version. xiaomi.eu issues its own stable and weekly versions of Xiaomi MIUI ROMs, based on the stable, and weekly beta versions of the Chinese ROM.[10] 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.[11]

Xiaomi is currently replacing MIUI with its new Android-based operating system named HyperOS, which will debut on Xiaomi 14 series.[12]

MIUI and Google Play services

Google has had disagreements with the Chinese government, and the Great Firewall blocks access to many Google services. 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, GMaps, YouTube and Google Play pre-installed and functioning as on any other Android device. MIUI global versions are certified by Google.[13]

Comparison of all MIUI variants
China Global Europe
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 for Android Yes
Smart Assistant App vault Google Discover (App Vault in Indonesia, India) App vault and Google Discover
Default source of apps GetApps Google Play

Additionally in India, Indonesia and others: Mi Picks (renamed to Apps)[14] / Getapps

 Google Play
Mi Cloud services All Some All
Updates Developer Stable Beta Stable Dev/Beta Stable
Highest priority.

Updated every Thursday

 Usually updated every two months[15] No longer available Usually updated every two - 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.[10]
Custom recovery requirement No Some
(recovery ROMs only)
Additional features Optional access to various Chinese online services
  • 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

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,[16] 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.[16] 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.[17] 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.[18]

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.[19]

Issues

MIUI's kernel was proprietary, and in breach of Linux kernel's GPL.[20][21] Source code for certain components was released to GitHub on 25 October 2013.[22] Kernel sources for a few devices, including the Mi3, Mi4, MiNote, and Redmi 1S, were released in March 2015.[23]

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.[24]

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.[25][26]

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 program but opted not to fix this issue.[27][28] 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.[29][30] This vulnerability was eventually fixed by Xiaomi.[30]

Performance issues

MIUI offers great usage until a point.[31] Users complain about overheating, slow performance, drop in framerate, unstable app function and randomly missing files on the phone storage. Compared to MIUI 12.5, the custom skin brings in several performance improvements and adds numerous features.[32]

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[33] 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[34] 31.0[35] 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[36] 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[37] 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[38] 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
Xiaomi Mi 9T Pro, MIUI 10 V10.3.3.0.PFKMIXM
 6.0 – 9 19 June 2018[39] 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[40]
  • 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 global version
  • Added Lite Mode
  • Added Video toolbox.
  • New fingerprint animations[41]
  • 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[42] 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[43] 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
  • New Mi Smart Hub (China Only)
  • Redesigned Notes App[44]
  • Improved fingerprint animations
  • Improved MIUI Launcher
Current stable version: MIUI 14
12 – 14 11 December 2022 14.1.5.0 14.0.22.12.5.DEV Current stable version: 14.0.22.12.5.DEV
  • Dropped devices running Android 11
  • Minor changes to the user interface
  • New widgets
  • New wallpapers
  • Super Icons
  • Pets and animals
  • Photon Engine
  • Razor Project
  • New family share features
  • MIUI Interconnect
Legend:
Old version
Older version, still maintained
Latest version
Latest preview version
Future release

See also

References
  1. "Mi OpenSource". github.com.
  2. About MIUI Video on YouTube
  3. Xiaomi 12 Quick Start Guide
  4. "小米科技的MIUI和手机_通讯与电讯_科技时代_新浪网". tech.sina.com.cn. Archived from the original on 2 February 2019. Retrieved 24 April 2012.
  5. MIUI Official English Site, en.miui.com, archived from the original on 15 February 2014, retrieved 16 March 2014
  6. Xiaomi Mi Watch is unapologetically inspired by the Apple Watch, but costs only $185
  7. Xiaomi Phone with MIUI OS: a $310 Android with 1.5 GHz dual-core SoC and other surprises, Engadget, 16 August 2011, archived from the original on 23 September 2011, retrieved 17 September 2011
  8. Jason Lim (14 April 2011), MIUI, Lei Jun, TechNode, archived from the original on 2 April 2019, retrieved 17 January 2012
  9. "MIUI Official English Site". Archived from the original on 9 April 2014. Live version for current MIUI; archived version for MiUI 5.
  10. "Home page, with 'About us' and forum list". Xiaomi European Community. Archived from the original on 27 April 2021. Retrieved 22 June 2023. Updated frequently.
  11. ingbrzy, Xiaomi.eu ROM leader (24 January 2021). "Answer to: Do I have warranty after flashing xiaomi.eu?". Xiaomi European Community. Archived from the original on 28 April 2021.
  12. Sharma, Adamya (17 October 2023). "Xiaomi is retiring MIUI after 13 long years and replacing it with a brand new OS". Android Authority. Retrieved 17 October 2023.
  13. "Android – Certified - Partners". Android. Archived from the original on 24 June 2020. Retrieved 31 January 2020.
  14. Forum, Xiaomi MIUI Official. "Mi Picks - pick your next favorite- officially launched! Give us your feedback! - App - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 29 September 2019. Retrieved 15 February 2018.
  15. "MIUI ROM Downloads". en.miui.com. Archived from the original on 2 April 2019. Retrieved 28 April 2018.
  16. Black, Marie. "What's the difference between TouchWiz, MIUI, EMUI, OxygenOS, LG UX and standard Android?". Tech Advisor. Archived from the original on 2 June 2020. Retrieved 31 July 2018.
  17. "MIUI 10 To Offer Updated Design, Its User Interface Leaks | Androidheadlines.com". AndroidHeadlines.com |. 29 May 2018. Archived from the original on 4 August 2020. Retrieved 31 July 2018.
  18. "Latest MIUI 9 build for the Xiaomi Mi Mix 2 brings Android P-style UI changes". xda-developers. 11 May 2018. Archived from the original on 4 August 2020. Retrieved 31 July 2018.
  19. 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.
  20. "小米的MIUI被指违反GPL许可证" (in Chinese). Solidot. 21 November 2012. Archived from the original on 8 June 2019. Retrieved 6 August 2013.
  21. "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.
  22. "Commits". GitHub. 25 October 2013. Archived from the original on 4 April 2019. Retrieved 27 January 2014.
  23. GitHub MiCode/Xiaomi_Kernel_OpenSource, GitHub, 31 March 2015, archived from the original on 5 April 2019, retrieved 8 April 2015
  24. "删除谷歌，内置杀毒，MIUI终于突破底线". Archived from the original on 2 April 2019. Retrieved 9 April 2013.
  25. Wright, Arol (8 August 2020). "Xiaomi is rebuilding MIUI for India without any of its banned apps". xda-developers. Archived from the original on 8 August 2020. Retrieved 8 August 2020.
  26. "Xiaomi India working on new MIUI version without banned Chinese apps". Android Police. 7 August 2020. Archived from the original on 29 August 2020. Retrieved 8 August 2020.
  27. Akolawala, Tasneem (5 April 2019). "Xiaomi's Mi Browser, Mint Browser Said to Contain Critical URL Spoofing Security Vulnerability". NDTV. Archived from the original on 27 November 2020. Retrieved 28 November 2020.
  28. Merchant, Zaheer (8 April 2019). "Xiaomi warned about critical flaw in its two Android browsers but does nothing". MediaNama. Archived from the original on 28 November 2020. Retrieved 28 November 2020.
  29. "[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. Archived from the original on 7 December 2020. Retrieved 28 November 2020.
  30. Singh, Jagmeet (17 April 2019). "MIUI Lock Screen Vulnerability Provided Access to Clipboard Data, Fix Released". NDTV. Archived from the original on 7 December 2020. Retrieved 28 November 2020.
  31. Udin, Efe (24 June 2021). "MIUI global users complain of touch-screen issues". Gizchina.com. Retrieved 23 September 2022.
  32. Chawake, Anurag (4 July 2022). "Xiaomi MIUI 13 update bugs, issues, & problems tracker [Cont. updated]". PiunikaWeb. Retrieved 23 September 2022.
  33. "MIUI Official English Site - Redefining Android". 6 December 2013. Archived from the original on 6 December 2013. Retrieved 22 May 2018.
  34. Forum, Xiaomi MIUI Official. "MIUI ROM 3.3.1 Changelog: MIUI V5 for Xiaomi MI2 Released!!! - MIUI General - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 11 February 2017. Retrieved 10 February 2017.
  35. Forum, Xiaomi MIUI Official. "MIUI Stable ROM (Global) KXDMIBF22.0 for MI3-WCDMA/CDMA Changelog & Download - Xiaomi Mi 3 - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 6 May 2018. Retrieved 5 May 2018.
  36. Forum, Xiaomi MIUI Official. "MIUI ROM 4.8.29 Full Changelog. MIUI 6 Released for Public! (Released) - MIUI General - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 11 February 2017. Retrieved 10 February 2017.
  37. Forum, Xiaomi MIUI Official. "About MIUI 7 China ROM 5.8.13. What Device Will MIUI 7 Global ROM Support First? - MIUI General - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 11 February 2017. Retrieved 10 February 2017.
  38. Forum, Xiaomi MIUI Official. "MIUI 8 China Developer ROM 6.6.16 Full Changelog & Supported Devices - MIUI General - Xiaomi MIUI Official Forum". en.miui.com. Archived from the original on 11 February 2017. Retrieved 10 February 2017.
  39. "MIUI 10首批机型公测下载 - MIUI官方网站". www.miui.com. Archived from the original on 21 August 2017. Retrieved 21 June 2018.
  40. "MIUI 11 will introduce new icons, ultra power saving mode, and more". 29 March 2019. Archived from the original on 24 August 2021. Retrieved 5 April 2019.
  41. "MIUI 12.1 coming soon. Here are all the what's new! - Tech in Deep". www.techindeep.com. 15 July 2020. Archived from the original on 24 August 2021. Retrieved 2 August 2020.
  42. "MIUI 13 - The Best MIUI Ever – Posts - Facebook". www.facebook.com. Retrieved 29 December 2022.
  43. "Xiaomi MIUI 13 update allegedly begins testing with beta version 21.7.6". piunikaweb.com. 6 July 2021. Retrieved 29 December 2022.
  44. "MIUI Notes App has changed completely on MIUI 13!". www.xiaomiui.net. Archived from the original on 26 March 2022. Retrieved 9 April 2022.
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