LOG Xiaomi: what are these files, how to find and read them on smartphones and smart devices

If you have ever connected a Xiaomi smartphone to a computer or searched for information about device failures, then you probably encountered a mention of the device. LOG-These mysterious text documents with the extension.log,.txt or.zip, they contain a detailed history of what happens in the system. But what are they really about? Why Xiaomi collects this data, and why it can be useful to the average user?

In this article, we will understand what is LOG in the context of Xiaomi devices, from Redmi smartphones and POCO You'll learn where these files are stored, how to extract them without root rights, what programs will help analyze the content, and in which cases logs can save your device from expensive repairs. For example, why Xiaomi sometimes asks to send logs to technical support and what is really hidden behind the term “full logs).

What is it? LOG-files on Xiaomi devices

LOG (Log is an automatically generated file that records all critical events that occur in a device, and imagine it as the black box of an airplane, just for your smartphone or smartwatch:

• 📱 Application errors (coloring, hanging, forced close)
• 🔄 System events (reboots, updates, kernel failures)
• 📡 Network activity (connections to Wi-Fi, mobile network, Bluetooth)
• 🔋 Sensor data (accelerometer, gyroscope, battery)
• 🛠️ User actions (button pressing, service launch)

On Xiaomi devices, logs are divided into several types:

Xiaomi is actively using logs to diagnose problems through Mi Community and official technical support. If you were told to send logs, it is about system files from the folder. /MIUI/debug_log, which can be obtained without root rights.

Why a regular user might need a log

Many people mistakenly think that LOG-The only thing that you need to do is to design and engineer service centers, and they're actually useful in everyday situations:

• 🔧 If the Redmi Note 12 suddenly stopped turning on after the update, logs will help you understand at what stage the failure occurred.
• 📉 Battery discharge analysis. You can find in the logs which app is draining the battery. POCO X5 even on standby.
• 🚫 Malware detection: Suspicious activity in network logs could indicate spyware.
• 🔄 Reverse updates if after update MIUI 14 there were bugs, logs will help prove that the problem is massive.
• 💬 Communication with support.Without logs, Xiaomi often refuses to consider warranty cases.

Example: Xiaomi 13 Ultra user complained about spontaneous reboots. Log analysis showed that the conflict between the camera module and the driver of the Snapdragon 8 Gen 2 processor was to blame. After sending logs to support, a patch was released in the next update.

⚠️ Note: Not all logs are equally useful. /data/anr (Application Not Responding, which only contains information about application freezes, not system failures.

Where to find LOG-files on Xiaomi smartphones

Location of logs depends on device type and version MIUI. Here are the main ways relevant to modern models (2022-2026.):

1. System Logs (without root)

The most accessible files are stored in the folder:

/sdcard/MIUI/debug_log/

To see them:

1. Connect your smartphone to your PC via USB (file transfer mode).
2. Open the conductor. Windows/macOS And go up the way.
3. Look for names: logcat_*.TXT – General System Events; bugreport_*.zip - Advanced diagnostics; anr_*.txt - application freezes.

2. Logs of updates

If the device is getting stuck during firmware, look for:

/cache/recovery/last_log

This file contains information about the latest update via Recovery or Fastboot.

3. logs for technical support (full logs)

To compile the full report that Xiaomi requires:

1. Go to Settings → About Phone → MIUI version.
2. Click 7 times on the MIUI version to activate Developer Mode.
3. Back to Settings → Additionally. → For developers.
4. Activate Debugging over USB and Allow OEM unlocking.
5. Connect to your PC and execute the command: adb bugreport The bugreport-*.zip file will be saved to your computer.
6. Create a ticket: Go to Mi Community. Select Bug Report. Fill out the form with a link to the archive.

In the description of the problem, indicate:

• 📱 Model of the device (for example, Xiaomi 13 Pro);
• 🔢 Version MIUI (find out in Settings → The phone);
• 🔄 Steps to Play Back the Bug;
• ⏱️ Time of the error (to find it in the logs).

⚠️ Note: Do not send logs through third-party messengers (Telegram, WhatsApp) - they compress files and delete critical data. Use only cloud storage with original archives.

Frequent errors in Xiaomi logs and their significance

Some log messages are more common than others, and here's a transcript of the most common ones:

If you see a line in the logs E/SELinux: avc: denied, this indicates a permission conflict in the system. → Additionally. → Recovery and discharge).

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Tag mistakes E/ (Error - critical and require immediate attention (W/) You can ignore it if the device is stable.

LOG-files on other Xiaomi devices (routers, smartwatches, TV)

Logs aren't just for smartphones, but here's where to look for them on other Xiaomi gadgets:

1. Mi Router routers

The router logs are stored in the web interface:

1. Go to 192.168.31.1 (or miwifi.com).
2. Log in (login and password from the sticker on the router).
3. Open the System Tools → Journal of the system.
4. Export logs to.txt via the Save button.

Typical problems in router logs:

• 🔌 DHCP: failed to assign IP — not outstanding IP-address;
• 📶 WLAN: authentication failed - Wi-Fi connection error;
• 🔄 System: Reboot by Watchdog – Automatic Reboot.

2.Mi Band/Watch smartwatch

Logs with Mi Band 7 or Xiaomi Watch S3 can be obtained through:

1. Mi Fitness (Device section) → Journal of Activity).
2. ADB-commands (requires PC connection and debugging activation).

In the logs of the clock, there are often:

• 🩺 HeartRate: Measurement failed - pulse sensor failure;
• 🔋 Battery: Low Voltage – Critical Charge Level;
• 📱 BLE: Disconnected – disconnected from the phone.

3. Mi TVs TV

Xiaomi. TV logs are stored:

/storage/emulated/0/mi_tv_log/

To extract them:

1. Connect the flash drive to the TV.
2. Go to Settings. → The device → System logs.
3. Choose Export to Export to USB.

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On Xiaomi routers, logs are automatically cleared every 24 hours. If you need to save history, set up export to an external drive in the System Tools section. → Settings of the journal.

FAQ: Frequent questions about LOG-Xiaomi files