Xiaomi phone reboots itself: 12 reasons and solutions

If you have a Xiaomi smartphone (or Redmi, POCO) It suddenly turns off and on without you, which is not just annoying, but signals serious problems.Spontaneous reboots can occur as on new models (Xiaomi 14 Ultra, Redmi Note 13 Pro).+), and on devices 2018-2022 (POCO F3, In 80% of cases, it is not the hardware that is to blame, but software failures, but you can not ignore the symptom: over time, the frequency of reboots will increase, and the phone may stop turning on altogether.

In this article, we will discuss all possible causes, from banal overheating to damage to the motherboard, as well as give step-by-step instructions for diagnosing and troubleshooting. 8 Gen 2/3 Dimensity 9000+, If you're not a technician, don't worry, we'll explain it in plain language, without the "big" terms.

Warning: if the phone reboots more than 5 times a day or does not turn on after a reboot - this is an excuse to visit the service center.

1.Overheating: Why Xiaomi is switching off from high temperatures

The most common cause of spontaneous reboots is overheating of the processor or battery. Xiaomi (especially flagship models) are equipped with a protection system that forcibly shuts down the device at critical temperatures. The normal range of the chipset is up to 45-50.°C, battery up to 40°If these values are exceeded, the phone can:

• 🔥 Turn off with vibration and sound signal (characteristic of POCO F5, Redmi K60).
• 📉 Slow down before rebooting (a sign of "trottling" on Snapdragon 8)+ Gen 1).
• ⚡ Reboot during charging (typical for fast charging) 120W+).

How do you check the temperature? Install the app. AIDA64 (Free on Google Play and open Sensors. Critical Values:

If the temperature is higher than normal:

1. Remove the cover - it can block the heat transfer.
2. Close all background apps (especially games and social networks).
3. Turn off charging if the phone warms up while connecting to the network.
4. Check if the phone is working in direct sunlight.

⚠️ Note: If the processor temperature exceeds 70°C, and the phone turns off with a characteristic "click" - this is a sign of detachment of the thermal paste between the chipset and the radiator. In this case, you need to disassemble the device and replace the thermal interface!

2. firmware failures: how to fix software errors

The second most common cause of reboots is unstable firmware.

• 📱 Official update MIUI with bugs (often after major updates, for example, the transition from MIUI 13 on MIUI 14).
• 🔄 Brush firmware (e.g. Pixel Experience or LineageOS) that is infringed.
• 🗑️ Damaged system files after incorrect rollback or reset.

How to diagnose the problem:

1. Check out the MIUI version in Settings → About Phone → MIUI version.
2. Search online for reviews of your firmware version (for example, «MIUI 14.0.5.0 Redmi Note 12 crashes»).
3. If the phone reboots when you open a particular app (such as a camera or Google Maps), the problem is the compatibility of the software.

Decisions:

If the crashes started after the update, try to roll back to the previous version. MIUI:

1. Download the firmware archive from Xiaomi’s official website (select your model and region).
2. Rename the file to update.zip and place it in the root of the phone’s memory.
3. Press Volume Up + Power to enter Recovery.
4. Select Install update.zip and confirm the installation.

Battery problems: when replacement is needed

If your Xiaomi is older than 2-3 years, the culprit of the reboots may be a worn-out battery.

• 🔋 The phone turns off at 20-30% charge (real charge below the displayed charge).
• ⚡ Reboots when connecting/disabling charging.
• 📉 Fast discharge (for example, from 100% to 0% in 3-4 hours without loading).
• 🔥 Bloating (check if the phone is inflated in the middle).

How to check the status of the battery:

1. Enter the code ##4636## in the Phone app and select Battery Information.
2. If you look at Battery Health, if it's below 80%, the battery needs to be replaced.
3. Install the AccuBattery app (free on Google Play) and check the discharge schedule.

If the battery is worn out:

⚠️ Attention: Replacement of the battery in Xiaomi is better to trust the service center! Self-replacement is fraught with: Damage to the plume of the display (risk — 30%). Failure of the system to charge (if the connector is not connected correctly) Loss of leakage (on models with protection) IP53/IP68). Replacement cost in official service: 1 500–3 500 ₽ (model-wise).

💡

If the phone turns off at 15-20% charge, but after restarting shows 0% - this is a sign of a failure of the battery controller, reset via Recovery (Wipe Battery Stats item, if available).

4. Application conflicts: which programs are to blame for the rebukes

Sometimes the phone reboots because of one "problem" application that conflicts with the system, most often the culprits:

• 🎮 Games with aggressive optimization (Genshin Impact, PUBG Mobile, Call of Duty).
• 📸 Camera applications (GCam, Open Camera) if they are incompatible with hardware.
• 🔒 VPN-clients (NordVPN, 1.1.1.1) or antiviruses (Kaspersky, Avast).
• 📱 Launchers (Nova Launcher, Microsoft Launcher) if they conflict with the MIUI.

How to find the culprit:

1. Launch your phone in Safe Mode (hold the power button) → «Safe Mode. If the reboots have stopped, third-party software is to blame.
2. Check the error logs through ADB: adb logcat | grep -i "crash\|reboot\|error" (PC connection and enabled debugging required) USB).
3. Remove the recently installed apps (start with games and games) VPN).

On Xiaomi models with MediaTek processor (for example, Redmi Note 11, POCO M5) conflicts often arise from incompatibility with Google Play Services, and the solution is to manually update Google services via APKMirror.

5. Hardware malfunctions: what breaks in the "iron"

If the software methods didn't work, the problem is the hardware.

The most dangerous hardware problems:

• 🔌 Short circuit on the motherboard (typical for phones that have been in water).
• 🔋 Battery bloating (may damage screen and board).
• 📡 Communication module malfunction (phone reboots when calling or turning on mobile data).

How to diagnose:

1. Check if there were any physical damage (shocks, falls, moisture).
2. Light a flashlight on the screen when turned off - if spots or stains are visible, this is a sign of fluid getting in.
3. Connect your phone to your PC and check if it is defined as Qualcomm HS-USB QDLoader 9008 (Brick sign»).

6. Energy saving settings: why they cause reboots

MIUI known for aggressive background optimization, which sometimes leads to forced reboots:

• ⚡ Ultra-power saving mode (disables the processor cores, which can cause a failure).
• 🔄 Automatic cleaning RAM (Kills system processes).
• 📵 Background data limitation for system applications.

How to turn off dangerous settings:

1. Go to Settings. → Battery. → Power saving mode and select "Performance».
2. Turn off the cleanup. RAM In Settings → Features → Cleanup RAM.
3. Add problem apps to exceptions: Settings → Battery → Choice of applications → No restrictions.

If the phone is restarted at night, check:

• 🌙 Automatic Update Settings (may conflict with energy saving).
• ⏰ Alarm clocks and reminders (sometimes trigger an error-prone system wake-up).
• 📡 Background scanning of Wi-Fi (disabled in Settings) → Wi-Fi → Additionally).

7 Viruses and Malware: A Hidden Threat

Rarely, but it happens that the phone restarts due to viruses or mining software.

• 📈 Unexplained traffic consumption (check in Settings) → Mobile network → Using traffic).
• 🔥 Overheating without load (for example, at night).
• 📱 Apps that are unfamiliar (especially with names like com.system.update).
• ⚡ Fast battery discharge (miners use a 100-processor%).

How to check and remove viruses:

1. Install Malwarebytes or Dr.Web Light and perform a full scan.
2. Check the list of installed applications in Settings → Annexes → Application management.
3. If the phone is rooted, run the command: su pm list packages | grep -i "miner\|ad\|spy"

If suspicious programs are detected:

⚠️ Warning: Some viruses disguise themselves as system applications (e.g. com.android.system) and manually removing them can be dangerous, leading to a complete system failure.

8.When to contact the service: signs of serious breakdowns

If you've tried all the methods, but the Xiaomi phone is still rebooting, it's time to carry it for repair.

• 🔥 Phone does not turn on after reboot (black screen, no vibration).
• 🔌 Reboots every 5-10 minutes regardless of the action.
• 💥 The blue screen of death appears (BSOD) with errors such as kernel panic or hardware failure.
• 📵 Not defined by computer (even in Fastboot mode).
• 🔋 The battery swelled (sees the deformed body).

The cost of repair in the official service Xiaomi (example prices for Moscow, 2026):

How to choose a service:

1. Check if the center has official Xiaomi accreditation (list on mi.com).
2. Read reviews on Yandex.Maps or 2GIS (note complaints about “unsolved problems”).
3. Check whether you have a warranty for repairs (at least 3 months).
4. If the phone is warranty - carry only to an authorized service, otherwise the warranty will burn down.

💡

Never settle for "cheap" repairs in informal workshops, if we are talking about replacing the motherboard or soldering chips. Saving 2-3 thousand rubles can turn into a complete loss of the phone due to poor-quality spare parts.

FAQ: Frequent questions about Xiaomi reboots