Why Xiaomi TV is long loaded or hangs on the logo – a full analysis of the reasons

Owners of Xiaomi Mi TVs (series 4A, 4S, 5, Q2, Q1E, etc.) often face the problem of a long load: the device can “think” 5-15 minutes on the logo, reboot cyclically or not react to the remote. In 80% of cases, it is not hardware breakdowns that are to blame, but software failures that can be fixed on their own. But how to distinguish the “glitch” of the firmware from the failure of flash memory or power supply?

In this article, we will look at all possible causes of slow loading, from banal overheating to critical bootloader errors, and give step-by-step instructions for diagnostics and repairs. Particular attention will be paid to models on Android TV 9-12, where the problem is most often associated with updates and app cache. If your Xiaomi TV suddenly began to “brake” when turned on, do not rush to carry it into the service: in 9 out of 10 cases, you can help without disassembling.

Warning: Some methods (such as factory resets or flashing) require care, and missteps can turn a TV into a brick, especially when it comes to models with eMMC memory (such as the Mi TV 4A 32), where frequent overwriting accelerates the wear of the drive.

1. Overloading cache and application data

The most common reason for a long boot is cache of the system and applications. Xiaomi TVs on Android TV actively use background processes to speed up work, but over time, temporary files accumulate, and the system begins to slow down at start, especially on models with 8-16 GB of memory (Mi TV 4A, 4S), where free space remains critically scarce.

How do you know if the cache is to blame?

• 🔹 The TV is long "hangs" on the logo Mi TV Android TV, But then it loads.
• 🔹 After turning on the interface slows down, applications open with a delay.
• 🔹 In the storage settings (Settings) → Storage) free less than 1 GB.

The solution is simple: clean the cache manually or through a service menu.

1. Go to Settings → Applications → All applications.
2. Select apps with a large cache volume (e.g. YouTube, Netflix, Prime Video).
3. Click on “Clear Cache” (not data!).
4. For complete cleaning, use the command via ADB: adb shell pm clear --user 0 com.google.android.tvlauncher

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If the TV does not respond to the remote, connect USB-keyboard USB 2.0 – this will help you manage the menu even when the interface freezes.

2. Failures after firmware update

Firmware updates via OTA (over the air) are a major source of loading problems for Xiaomi TVs from 2019-2023, because the company often releases “raw” updates that conflict with user data. For example, after upgrading to Android TV 11, many Mi TV owners Q2 55” complained about endless loading due to a com.android.systemui service failure.

Signs of "broken" update:

• 🔄 The TV is cyclically restarted (laid in the bootloop»).
• 🔴 There is a No Command or Erasing error on the screen....
• ⏳ Download stops at 25-75% progress bar.

What to do:

1. Recurse the update via Recovery Mode: Turn off the TV, press the Power button + Volume down on the remote (or Menu + Back for older models). From the Recovery menu, select Wipe data/factory reset. If the reset didn't help, select Apply update from ADB and connect to the PC for manual firmware.
2. Install the firmware manually through USB: Download the official firmware for your model from miuirom.org. ZIP-flash-drive FAT32 (not NTFS!). Put the flash drive in the port. USB 2.0 (not 3.0!) and in Recovery, select Apply update from USB.

3. Flash memory failure (eMMC)

Xiaomi budget TVs (Mi TV 4A, 4S) are equipped with cheap eMMC memory, which has a limited recording life (about 3000 cycles). When used intensively (frequent updates, recording broadcasts, installing applications), the memory cells wear out, and the system begins to “slow down” when reading data.

Symptoms of a "dying" flash drive:

• 🐢 Downloading takes 10.+ minutes, but the TV still turns on.
• 💥 Applications spontaneously close with the error "Application stopped».
• 🔧 In the system logs (available through ADB) bugs E/MMC: I/O error.

How to check the state of memory:

1. Connect to the TV via ADB and execute the command: adb shell dumpsys diskstats If the output has lines with bad blocks, the flash drive has degraded.
2. Use the AIDA64 app (install via APK) to check the health of the drive in the Storage → eMMC section.

Decisions:

• 🔧 Replacement of eMMC (requires rations, cost - from 3000) ₽).
• 🔄 Transfer of the system to USB-storage device (possibly on models with port) USB 3.0).
• ⚠️ Disabling background processes through Settings → Annexes → Special access → Battery Optimization (Yes, This Works on TV!).

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If the TV emits a “Can’t mount /system” error when booting, this is a sure sign of death of the eMMC. Data recovery is impossible, only a replacement of the chip.

4. Problems with the power supply

Power failures are another common reason for long loads: Xiaomi TVs are sensitive to power surges, and the power supplies in budget models (Mi TV 4A 32"/43") do not have protection against surges. If the voltage on the network drops below 190 V, the power controller can "hang" during the initialization stage.

How to diagnose:

• ⚡ Check the socket with a multimeter - the voltage should be 220-230 V.
• 🔌 Connect the TV to another power source (for example, via UPS).
• 🔍 Check the power supply for bloated capacitors (a common problem in Mi) TV 4S 50").

Decisions:

Check the voltage in the socket with a multimeter |Look at the power supply on the bloated capacitors |Connect the TV via the UPS |Try another network cable-->

5. Conflict with connected devices

Surprisingly, USB-devices, sound panels or even HDMI-And the thing is, cables can take a long time to load. TV At the start, it scans all connected devices, and if one of them “glues” (for example, a damaged USB drive or an incompatible sound bar), the system can “hang” during the initialization stage.

What can interfere with the loading:

• 🔊 Xiaomi Soundbar sound panels with outdated firmware.
• 🖥️ HDMI-devices (prefixes, PCs) transmitting incorrect EDID.
• 💾 Damaged USB-drive-drive.

How to check:

1. Disconnect all devices from the TV (HDMI, USB, optical cables).
2. Turn on the TV – if it boots up quickly, connect the devices one at a time to identify the “culprit”.
3. For HDMI-Problems reset port settings: go to Settings → Display and sound → HDMI-regime → Reset.

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If the TV is “hanging” when connecting to the HDMI-A console port (e.g. Xiaomi Mi Box), try using a cable with support HDMI 2.0 and disable the function CEC TV-setting.

6. overheating of the processor or motherboard

Xiaomi TVs with Amlogic processors (such as the Mi TV 4A on the S905X or the Mi TV Q2 on the T972) are prone to overheating due to poor ventilation. At chip temperatures above 85°C, the system automatically reduces performance, leading to long loads or "freezes."

How to check the temperature:

1. Install CPU Monitor via ADB: adb install cpu-monitor.apk
2. Run it and look at the processor temperature in plain and under load.
3. Normal values: up to 70°C in plain, up to 80°C in 4K playback.

Decisions:

• 🌀 Dust cleanup – disassemble the back cover and blow out the radiator (especially relevant for Mi). TV 4S 55").
• 🧊 Replace thermopaste - use Arctic MX-4 analogue.
• 🔄 Disabling background processes through Settings → Annexes → Auto-start.

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If the TV is hanging on the screensaver of the Mi TV and warms up, try cooling it with a fan for 10 minutes - sometimes this is enough to successfully boot.

7. Reset to factory settings

If no method has worked, it's a hard reset, which will delete all the data, but it will return the TV to a "clean" state. Importantly, on some models (Mi TV Q1E), it can take up to 20 minutes to reset - don't turn off the power!

How to reset:

1. Through the settings menu (if the TV is turned on): Go to Settings → Device → Reset. Select Delete all data and confirm.
2. Using Recovery (if the TV isn't loading): Turn off the TV, press Power button + Volume up on the remote. From the Recovery menu, select Wipe data/factory reset. Confirm the action and wait for the reboot.

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After resetting, the TV can take up to 10 minutes to adjust, which is normal. Don't interrupt the process even if the screen goes out.

FAQ: Frequent questions about long-load Xiaomi TV

If your Xiaomi TV is still “braking” when you turn on, describe the symptoms in the comments: model, firmware version and what exactly is happening on the screen.