Xiaomi Android TVs can slow down over time, with apps opening more slowly, channel getting stuck, long interface loads, and causes ranging from overloaded cache to outdated firmware, and fortunately, most problems are solved without going to the service center.
In this article, we will discuss 7 proven ways to speed up a Xiaomi TV, including hidden settings, memory optimization and hardware tricks. The methods are suitable for all models, from the budget Mi TV 4A to the flagship Mi QLED TV 75. Importantly, some actions require resetting โ before you start, back up important data (channel list, accounts).
1. Cleaning the cache and application data
The main reason for the slowdown is the overcrowded cache of system and user applications. On Xiaomi TV, the cache is not automatically cleared, so it needs to be manually removed.
How to do this:
- ๐บ Go to Settings. โ Annexes โ All applications
- ๐ Choose an app (start with the frequently used ones: YouTube, Netflix, Prime Video)
- ๐งน Click on โClear Cacheโ and โClear Dataโ (Warning: This Will Reset the App Settings!)
- ๐ Repeat for all applications that are >100MB
For mass cleaning, use the developer mode:
- Activate it: Settings โ About TV โ Software version (click 7 times in a row)
- Back to Settings โ Additionally. โ For developers
- Select โDo Not Save Actionsโ and โLimit Background Processesโ (maximum 2 processes)
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If the TV is severely inhibited when turned on, clear the cache of the system application com.miui.tv.launcher - this triggers the main interface.
2. Disable AutoRun and Background Applications
Xiaomi TV by default runs a variety of services in the background โ from analytics to weather updates. This eats up to 30% of RAM.
How to turn it off:
- โ๏ธ Settings โ Annexes โ Auto-start โ Turn off everything except the remote and system services
- ๐ซ Settings โ Annexes โ Special access โ Optimizing the battery โ Select โAll Appsโ and disable optimization for critical services
- ๐ด B Settings โ Bluetooth and devices โ Disable the search for new devices (saves resources)
List of safe to disable system processes
After turning off, restart the TV (Settings โ About TV โ Reboot). The difference in speed will be noticeable the next time you turn on.
3. Updating the firmware and core of the system
Outdated firmware is one of the main reasons for lags. Xiaomi regularly releases updates that optimize performance, but many users ignore their installation.
How to update:
- ๐ Automatically: Settings โ On TV. โ Updating the system โ ยซCheck for updatesยป
- ๐พ Manual: Download the latest firmware for your model from the official website Copy the file update.zip flash-drive (FAT32) Connect the flash drive to the TV and select โUpdate throughโ USBยป
| Model TV set | The Last Stable Version (2026) | Size of update |
|---|---|---|
| Mi TV 4A (32-43") | MIUI TV 3.0.12 | ~500MB |
| Mi TV 4S (50-65") | MIUI TV 3.1.8 | ~650MB |
| Mi QLED TV 75 | MIUI TV 4.0.5 | ~800MB |
| Redmi Smart TV | MIUI TV 2.5.9 | ~450MB |
โ ๏ธ Warning: If the TV stopped turning on after the update, perform a hard reset:
- Turn off power for 1 minute.
- Press the Menu button on the TV body
- Connect the power by holding the 10 second button
4. Optimization of memory and storage
Xiaomi TVs with 8-16GB of memory quickly get clogged with garbage. When less than 1GB is free, the system starts to slow down.
How to make room:
- ๐๏ธ Remove Unused Applications: Settings โ Annexes โ size-sorting
- ๐ Transfer media files to an external drive (supported) FAT32/exFAT)
- ๐ง Use the settings. โ Warehouse โ Cleaning to remove temporary files
- ๐ Turn off the recording of the ether (if not using): Settings โ TV โ Recording.
Delete the cache of all applications | Move movies/photos to the flash drive | Turn off automatic recording TV | Delete unused widgets
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For models with a capacity of 16 GB or less, it is recommended to leave at least 15% of the free space. Check the current state in Settings โ Storage.
5. Customization of animation and visual effects
MIUI TV's interface is overloaded with animations that are beautiful but slow down weak models, and turning off the extra effects speeds navigation by 20-30%.
Instructions:
- Activate the Developer Mode (see Section 1)
- Go to Settings โ Additional โ For Developers
- Set: โWindow animation scaleโ โ Off. or 0.5x โScale of transition animationโ โ Off. โAnimation timeโ โ Quickly
In addition, it is possible to deactivate:
- ๐ The effects of switching between tabs: Settings โ Screen. โ Effects.
- ๐ Weather widgets and recommendations on the home screen
- ๐ Sound effects when navigating: Settings โ Sound. โ Systemic sounds
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Disabling animations is especially noticeable speed up the launch of applications on TVs with 1-1.5 GB of RAM (for example, Mi TV 4A 32).
6. Reset to factory settings (last resort)
If all the previous methods didn't work, it's a complete reset, which is a radical solution, but it returns the TV to factory speed.
How to reset:
- Save important data (channel lists, sound settings)
- Go to Settings โ About TV โ Reset settings
- Select โDelete all dataโ and confirm
- After restarting, perform the initial setup.
โ ๏ธ Attention: On Mi models TV P1 A new reset may block access to some streaming services (for example, Disney).+) certificate-dumping DRM. In this case, you will need to re-activate through the settings. โ Security โ DRM.
After discharge:
- ๐ Do not restore data from backup โ it will return old problems
- ๐ Install only the necessary applications
- ๐ Turn off automatic update installation for applications
Hardware acceleration methods
If the software doesn't work, the problem may be the hardware.
A. Thermopaste replacement (for models over 3 years old):
- ๐ก๏ธ Overheating of the processor causes trottling (automatic performance decrease)
- ๐ง Requires disassembling the TV and applying a new paste (for example, Arctic). MX-4)
- โ ๏ธ Risk of losing your warranty โ only perform if you have experience
B. Connection via Ethernet:
- ๐ Wi-Fi consumes processor resources to process packets
- ๐ Cable LAN Unloads the system and speeds up the loading of content
B. Use of an external tuner:
- ๐ก Built-in DVB-T2 The tuner loads the processor when processing the signal
- ๐ฏ Connecting an external console (for example, Xiaomi Mi Box S) will relieve the load