MIUI 9 Overview: Everything You Need to Know About the New Software


July 26, 2017, saw the official launch of the long-awaited MIUI 9. From this article, you will learn what major changes the firmware brings to your phone and tablet routine.


The main focus was made on a deep system optimization. You can see the work done right from the starts. The applications open instantly. It seems like there is no way the opening could be faster than that.

A technology called dynamic resource allocation was employed to make that happen. What it does is allocates resources among running applications only, while background processes are “put to sleep” and thus do not burden the system. That also has an effect on battery life.

The optimized app launch animation, which, by the way, looks superb, contributes to the overall energy efficiency. Moreover, when you close some standard applications, you will notice a cute icon animation.


The overall design of MIUI 9 remained almost unchanged. You might even think that you had installed the same familiar MIUI 8. To say the truth, there is nothing surprising here, because the current design is considered to be relevant, and there is no sense changing it.

In the standard MIUI 9 theme, only the wallpaper and the standard clock widget have been transformed. The latter now displays the weather forecast as well.

Nevertheless, if you are bored with the standard square app icons, the developers have added one more theme called Limitless, which externally has some similarity with the stock Android or Flyme OS, but with the MIUI vibe. Icons here have different shapes, which is probably why the theme is called Limitless.

You will be able to download two more MIUI themes from the market: black and pink. The developers did not include them in the box, apparently to save storage for other things. Besides, not everyone may like them.


Three functions were unveiled at the presentation: gallery photos search, smart assistant and the “Taplus” — a smart app launcher. All these functions are available for Chinese users only and for now, it is not sure whether they appear in the global version.

Gallery photos search works only with photos kept in Mi Cloud. When you open the search bar and try to enter any queries, not in Chinese, you get zero results. Therefore this function is useless for global users today.

A smart assistant has long been available in Chinese versions of MIUI 8. It reminds of Google Now, but with content that is relevant for China.

The “Taplus” is designed to launch apps by the keywords. For example, if in the conversation you mention Mi Robot Vacuum cleaner, you will be offered to open Mi Home app and manage the device from there. The service recognizes key words written in Chinese only.

Despite these China-oriented functions, MIUI 9 also received some interesting features available for the users all over the world.


First of all, we should pay attention to the updated desktop editing mode, which became even easier and more convenient. You can transfer the selected applications directly to the last screen of the desktop. There is also a desktop screen sorting. The choice of the widgets is better, because now real widgets are visible, not their sketches.

Split screen

The long-awaited split screen function was featured on the latest version of MIUI 8 for Mi 6. This function is launched from the updated menu of recent applications.

Split screen mode is not supported by all applications. Some of them the systems will allow to start in split screen mode. But this problem can be solved in a matter of a click: you need to enable “Force split screen” option and restart the device. But it is worth remembering that some applications that do not originally support a split screen mode may be displayed incorrectly.

This feature will be available only for devices running Android 7 and above.

New “Silent” mode

The developers combined the “Silent” mode with the “Do not disturb” mode. You can turn it on and set up its duration time right from the volume control panel.

For example, before going to sleep, you can enable “Do not disturb” mode overnight and then not a sound or vibration will disturb your sleep apart from the alarm clock. If you select “Silent” mode, then the sound for calls and notifications will be muted.

Lock screen

In general, the lock screen remained unchanged, except for the additional menu that is launched if you swipe right.

In the original Chinese version of the firmware, it offers quick access to a flashlight, Mi Home, Mi Remote and Mi Pay, which, as you already understood, are relevant primarily for China. In the global version, they will be replaced with “Contacts” and “Messages” apps. Unfortunately, there is no possibility to assign your own applications there.

Notification filter

Another interesting feature is the notification filter, which was confused with ad block app. The function allows you to hide unimportant notifications separately, so they will not disturb you with a sound and vibration. To add a notification from a particular application to the list of unimportant ones, you need to drag it to the left and mark it as “Not important”.

Removing system applications

There were quite a few rumors about developers getting MIUI 9 users the ability to delete some system applications. Nope, not seen that in MIUI 9. Nevertheless, this feature is sure to become public as it is present in the closed alpha updates. Deleted applications will include weather, calculator, cleaner, compass and code scanner.

As a conclusion, we want to say that this article is written after the first beta version of MIUI 9 release. In the future, some of the software faults and minuses can be improved.

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