Lineage OS vs MIUI
When comparing Lineage OS vs MIUI, the Slant community recommends Lineage OS for most people. In the question“What are the best custom Android ROMs? ” Lineage OS is ranked 1st while MIUI is ranked 13th. The most important reason people chose Lineage OS is:
Compared to stock Android, Lineage OS gives a lot more control over user's privacy. There's a permission manager that can be used to prevent certain apps from accessing certain information, a blacklist for blocking any unwanted calls or messages for specified numbers and notification filter that can be used to remove certain apps from popping up in the notification area.
Specs
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Pros
Pro Provides granular control over personal data
Compared to stock Android, Lineage OS gives a lot more control over user's privacy. There's a permission manager that can be used to prevent certain apps from accessing certain information, a blacklist for blocking any unwanted calls or messages for specified numbers and notification filter that can be used to remove certain apps from popping up in the notification area.
Pro Mostly a stock Android experience
Lineage OS keeps most of the aesthetic and conventions as they are in stock Android. It uses that as a base to build on top of and add customization options. There's even a Google Apps package that will install the stock apps and Google Now Launcher, but can be avoided if a cleaner experience is preferred.
Pro Better performance than some bloated stock roms
Lineage OS offers a more simple and less resource intensive OS option to those using bloated Android versions such as what is found on Samsung/HTC devices.
Pro All sounds can be adjusted in one place
Lineage OS allows adjusting media, alarm and ring volumes in one place.
Pro Regular updates
Lineage OS is good about keeping up the development speed. Security issues as patched as soon as new exploits are found and often devices can be updated to the latest Android version using before a carrier issues an update.
Pro System profiles can be triggered based on set criteria
Lineage OS includes the ability to define profiles that include a set of system settings. For example, a profile for home may include turning on Bluetooth, while a profile for Office could turn down notification volume. They can be switched manually or based on triggers such as location, when on certain Wi-Fi networks or ner a specified NFC tag.
Pro Lots of customization options
The main strength of Lineage OS is the customization options that it brings to Lollipop.
For example, status bar items such as clock and battery can be customized, pending notification count can be displayed in the status bar, Quick Settings tiles can be reorganized. It can be set up to adjust brightness by sliding across the status bar or access Quick Settings by pulling down from the edge of the screen. On devices like the OnePlus One there's the ability to switch between onscreen and offscreen navigation buttons. Layout of the onscreen buttons can be changed.
Pro Built-in weather information
Lineage OS has built-in weather information accessible from the Quick Settings and powered by Yahoo Weather. From there the weather information can be tapped to access a weekly forecast.
Pro Built-in file browser
Lineage OS comes with an application for browsing files on the filesystem called File Manager.
Pro Powerful theme engine
Lineage OS theme engine can change almost every aspect of Lollipops design. It evens allows mixing and matching parts of themes.
Pro Combines best of iOS and Android launchers
MIUI has visual similarities to iOS and TouchWiz and combines functionality from both iOS and Android OS and its variants. For example, MIUI has no apps drawer and instead puts all app on homescreen pages the same way iOS does.
Pro Independent of Google services
Almost all Google services are removed from this Android-based UI in favor of creating a competing ecosystem of apps, games, themes and services.
Pro Detailed installation instructions for supported devices
Step by step instructions (with screenshots) for flashing MIUI ROM can be found for each of the supported devices on the companies website. For example, here is the flashing guide for Nexus 5.
Pro Simplified
The interface is simplified for ease-of-use
Pro Runs faster than stock Android
MIUI includes performance tweaks that give it a edge in speed compared to stock Android.
Pro Fast development cycle
New features and updates are released regularly.
Cons
Con Possible stability issues
Installing community made custom ROMs such as Lineage OS there may be inherent stability issues. Enthusiast created ROMs have the potential to be wholly or partly unstable depending on the device and/or community.
Con Possible security risk
By rooting an Android device (something that has to be done in order to install Lineage OS) one opens themselves up to security risks as it is now possible for apps to control parts of the phone they used to not have access to.
Con Battery life
Eh-tested Android Lineage OS in its version 16 for almost 6 months and the weakest point is the battery, even with the energy saving, it is consumed very fast, either using the device or in standby mode, up to 30% in the first 10 min after full load.
Con Not an OS
It is just a modified Android(Android-Distribution) so: No Android = No LineageOS.
Con A Mi account is required for using bundled services
Various services and apps require a Mi account. For example, buying new themes requires spending Mi currency that can only be obtained if a Mi account is available.
Con Chinese Spyware
Con Buggy
Many ROM ports are still a little buggy
Con Some bundled services are available only in Chinese
Xiaomi, the developers of MIUI are Chinese and their primary maket is China. As such primary language for most apps and services is Chinese and not all of them have yet been translated to English or any other language.