Xiaomi and Redmi smartphone owners often experience system processes whose names don’t tell the average user, such as UniPlay, which can be on a list of running apps or in battery billing notifications, and many people immediately panic, believing that it is a virus or spyware, but the reality is much more prosaic and connected with the functionality of multimedia.
In fact, Mi Video and its associated services use this component to deliver a streaming feature, and if you've ever tried to display a picture from a smartphone screen to a TV or computer, you've probably already used it without even knowing its technical name, and knowing whether Xiaomi's UniPlay is what it is will help you to properly configure your media system or, conversely, disable unnecessary features to save energy.
In this article, we will discuss in detail the architecture of the system component, its relationship with the popular Mi Video application and how to manage its operation. You will learn whether it is safe to delete associated files and how to use this tool to manage a smartphone through a PC without installing third-party software.
Main purpose of the system component
UniPlay is a system library that is responsible for transferring multimedia content between devices on a local network, not a standalone application with an icon on the desktop, but works in the background, activating at the request of other programs, most often it is run by a standard Mi Video player built into the MIUI or HyperOS shell.
The main purpose of this service is to provide DLNA and Cast protocols. When you click the broadcast button in the player and select your Smart TV, it is UniPlay processes that encode the video stream and send it over Wi-Fi to the receiver. Without this component, the Translation function in standard Xiaomi applications would simply not work.
⚠️ Warning: Do not force the UniPlay process to stop through the developer menu while watching a video, which will cause the connection to the TV to break and the video player to freeze.
It is important to understand that this service only works within your home network, it does not transmit data to the Internet, and it does not have access to your private messages or contacts, and its functionality is strictly limited to video streaming and playback control on external screens.
Communication with the Mi Video app
The most intense integration is between UniPlay and the Mi Video system player, which is the default video player that uses UniPlay libraries to find available devices on the network. If you delete the player updates or disable it, the streaming functionality may stop working correctly.
Users often notice the activity of the process after updating the Video Player app in the GetApps store or Google Play. Xiaomi developers are constantly improving codecs and connection stability, so new versions of the player may require up-to-date versions of system libraries.
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If you don’t use an embedded player, but prefer MX Player or VLC, UniPlay activity can be minimized by disabling local network access permissions for the Mi Video application.
It’s worth noting that some third-party apps can also access streaming system libraries if they’re optimized for Xiaomi devices, but in 95% of cases, the source of the request is a regular video player.
Screen control function via PC
One of the hidden but extremely useful features that this component provides is the ability to control the screen of the smartphone from a computer, a feature that is often ignored by users, although it allows you to easily type messages in instant messengers or display the screen during presentations.
To activate this feature, you don't need to install heavy programs. It's enough that the PC and smartphone are on the same Wi-Fi network. In some versions of the firmware, you need to perform certain actions in the debugging menu to activate, but the basic support is provided by UniPlay.
Here are the main advantages of using this function:
- 🖥️ The ability to fully control the smartphone from the keyboard and mouse of the computer.
- 📸 Quick access to the gallery and the ability to drag and drop photos on a PC without cables.
- 📹 Recording the smartphone screen in high quality without loading on the phone processor.
- 🔋 Minimal power consumption compared to TeamViewer.
This technology allows you to stream images with minimal latency, which is critical for interactive use, but it's worth remembering that you need a stable connection to work.
Configuring and activating functions
To take advantage of the opportunities provided by UniPlay, you need to configure network settings correctly. By default, the smartphone can request permission every time you try to connect to a new device, which can be annoying with frequent use.
To work smoothly, make sure that both devices have detection enabled. Xiaomi’s security settings also check the permissions for the Video app. Sometimes, antivirus can block connection attempts, considering them suspicious activity.
☑️ Checking network settings
If you want to use the PC management feature, you may need to activate USB debugging and allow Wi-Fi debugging. This is done in the Settings menu → About Phone → MIUI version (7 times in a row), after which the Developer option will appear in the advanced settings.
Impact on autonomy and productivity
Many users wonder why UniPlay is wasting battery even when they are not watching the video, which can happen if the process “hangs” in the background after an incorrect end of the broadcast session or if the Mi Video application continues to scan the network for devices.
Constant search for available DLNA-devices can be used up to 5-10% It's a big part of the impact on the battery life, if you don't optimize it, especially on the models with the least capacity batteries or on older versions of Android.
Comparison of the impact on system resources:
| Status. | CPU consumption | RAM expense | Impact on the battery |
|---|---|---|---|
| In plain (background) | 0.1% | 15MB | Minimum |
| Searching for devices | 2-3% | 40MB | Average. |
| Video broadcasting | 10-15% | 120 MB | High. |
| Controlling with PC | 5-8% | 80MB | Average. |
To reduce power consumption, it is recommended to close the video player application completely, rather than just fold it, and it also helps to disable the Translation function in the player settings if you are not using it.
Is it safe to remove UniPlay?
Because UniPlay is a system component, it cannot be completely removed without root rights. APK-file ADB can lead to unstable operation of the video player and loss of function".
If you're concerned about privacy or resource consumption, it's safer not to remove the component, but to restrict its rights. You can deny the Video app location access and background data transfer, and this will not disrupt the system, but will limit the functionality.
Risks of complete removal through ADB
In most cases, having this process on your device is perfectly normal and requires no intervention, and it’s a regular part of Xiaomi’s ecosystem that provides compatibility with smart home and multimedia devices.
Solving Connection Problems
Often, users are faced with the TV not seeing the phone, or the connection is constantly broken. First of all, check whether the antivirus or the built-in security guard is blocking the connection. Sometimes a simple router restart helps.
If the problem is to desynchronize audio and video when broadcasting, try to lower the video quality in the player settings or switch the codec. Also make sure that the TV is updated, as older versions of the DLNA protocols may conflict with newer versions of MIUI.
⚠️ Note: When using a guest Wi-Fi network, broadcasting may not be possible due to customer isolation.Use the main home network for stable UniPlay operation.
If you have persistent errors, you can try to clear the cache of the Video app and Mi Service, which often solves problems with the stalled search processes of devices.