Xiaomi Reboots on Its Own: 7 Reasons and What to Do

Your Xiaomi (or) Redmi/POCO) It's not only annoying, it can signal serious problems, from software failures to hardware malfunctions. 80% The problem is solved on its own, but it is important to correctly diagnose the source.

In this article, we will analyze all possible causes - from banal overheating to hidden defects of the motherboard, as well as give step-by-step instructions with photos and videos (where necessary). 11/12/13 series, Redmi Note 10/11/12 and POCO F3/F4/F5, They are more likely to face this problem because of the features of the firmware MIUI and Qualcomm Snapdragon hardware platform.

If the phone only reboots when it's doing something, like playing or charging, it narrows the search, and if it crashes randomly, you'll have to check everything in order, and let's start with the simplest one.

1. CPU overheating: why Xiaomi is switching off from high temperature

The most common cause of spontaneous reboots is thermal trottling (automatic shutdown when overheating). Xiaomi with Snapdragon processors 8 Gen 1/2 (for example, Xiaomi 12 pro POCO F4 GT) This is especially true because of the high TDP.

How to check:

• 🔥 Install the app AIDA64 or CPU Monitor and see the CPU temperature in real time. The critical threshold for most smartphones is 60-65.°C.
• 🎮 Run a resource-intensive game (Genshin Impact, Call of Duty Mobile) or a performance test (3DMark). If the temperature rises above 70°C and the phone reboots - a cooling problem.
• 🔋 Check if overheating occurs when charging (especially with fast charging). 67W/120W). Use the original power supply unit.

What to do:

• 🧊 Remove the cover - it can block the heat sink.
• 🛠️ Clean the charger and speaker connector from dust (use a soft brush or compressed air).
• 🔄 Reverse to an older version MIUI — Some updates have fan control bugs (relevant to Black Shark and the POCO F series).
• 🛒 Replace the heatpaste (only in the service center!) on Xiaomi 11T Pro and similar models, it often dries after 1.5-2 years.

⚠️ Warning: If the phone only reboots when connected to charging, check the cable and adapter immediately! unoriginal Quick Charge-enabled accessories can deliver unstable voltage, leading to crashes.

2. Firmware failures MIUI: Bugs, conflicts and failed updates

MIUI — One of the most customizable shells on Android, but that's also its weak spot, and firmware bugs can cause random reboots, especially after the crash:

• 📲 Updates by air (OTA).
• 🔄 Manual Downgrade (downgrading version).
• 🛠️ Installation of custom firmware (LineageOS, Pixel Experience).
• 🔧 Use of Magisk or Xposed modules.

How to diagnose:

1. Check the version. MIUI In Settings → If it's a beta version (for example, a phone, MIUI 14.0.23.5.8.DEV) — failure is almost guaranteed.
2. Go to Settings. → Memory. → Logs and look for records with Android.system or kernel panic errors.
3. Try to boot up in Safe Mode (hold the power button). → long tap on "Switch off" → "Restart in Safe Mode. If the reboots stop, third-party software is to blame.

Decisions:

Remove the latest updated applications|

Reverse the update MIUI through settings → Updating the system → Three points. → Select a Service Package|

Reset the settings to factory (Settings) → Additionally. → Recovery and discharge)|

Fastboot phone search (instructions below)-->

If the reset didn't work, we'll have to refashion the device.

1. Download the official firmware for your model from en.miui.com (choose Stable, not Developer!).
2. Unpack the archive and move the.tgz file to the platform-tools folder (where it is installed). ADB).
3. Connect your phone to your PC in Fastboot mode (hold Volume Down) + Power with the phone turned off).
4. Enter the command: fastboot flash all name file.tgz

⚠️ Attention: Fastboot flashing erases all data! pre-backup through Settings → Additionally. → Backup or Mi Cloud backup.

3. Failed battery: when the battery causes failures

The battery is the second most common culprit in spontaneous reboots. Over time, lithium-polymer batteries degrade and their voltage becomes unstable. This is especially true for phones older than 2 years or with fast charging (30W+).

Signs of a faulty battery:

• 🔋 The phone turns off at 20-30% charge, and after switching on shows 0%.
• 🔌 Reboots when connecting/disabling charging.
• 📉 B Settings → Battery. → The battery state shows wear and tear > 25%.
• 🔥 The body is swelling (check if the phone is on the table).

How to check:

1. Install AccuBattery and see the discharge graph. If the voltage drops sharply (for example, with a high voltage). 3.8V before 3.2V 5 minutes - the battery is defective.
2. Connect your phone to your PC and type the command: adb shell dumpsys battery Look for voltage settings (normal: 3.7–4.2V) and temperature (norm: 25-40)°C).

Decisions:

• 🔧 Calibrate the battery: completely discharge the phone, then charge to 100% without interruptions.
• 🛠️ Replace the battery (cost for Redmi Note 10 Pro — ~1500–2000 ₽, Xiaomi 13 Ultra flagships – up to 5000 ₽).
• 🔌 Use a charge with less power (for example, 18W instead 67W).

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If the phone reboots when connected to wireless charging, try changing the charging station. Some Xiaomi models conflict with Samsung or Apple charging because of different protocols (Qi vs Mi Fast Charge).

4. Application conflicts: what programs can cause reboots

Some applications (especially those with root rights or background activity) can cause kernel panic, a critical kernel failure that causes a reboot, most often to blame:

• 🎮 Game launchers (Game Turbo, Xiaomi Game Center).
• 🔒 Antiviruses (Kaspersky, Avast, 360 Security).
• 🛠️ Overclocking utilities (CPU Tuner, Kernel Adiutor).
• 📱 Advertising blocking applications (AdGuard, Blokada).
• 🔄 Magisk modules (e.g., Magisk modules, ViPER4Android, EdXposed).

How to find the culprit:

1. Boot in Safe Mode (instruction above). If the reboots have stopped, the problem is with third-party software.
2. Check out Logcat Logic: Adb Logcat | grep -i "error\|crash\|reboot"
3. Remove the latest installed apps (start with game and system utilities).

In 2023, Xiaomi users 12T redmi K50 Massively complained about the reset due to the conflict MIUI 14 with the Google Play Services app.The solution is to roll back the Google service update or install the beta version.

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If the phone reboots when you open a particular app (like WhatsApp or TikTok), clear its cache and data in Settings. → Apps. If it doesn't work, reinstall.

5. Hardware malfunctions: from oxidized contacts to broken motherboard

If the software methods didn't work, the problem could be the hardware, and it's mostly the fault of:

• 🔌 Oxidized contacts of the battery or the power plume (relevant after moisture is ingested).
• 📱 Crash of memory or processor chips (due to falls or overheating).
• 🔋 Failed power controller (e.g, PMIC Snapdragon boards).
• 🛠️ Damaged antenna. Wi-Fi/4G (It can cause failures when connecting to the network).

How to diagnose:

• 🔍 Check your phone for physical damage: cracks, bloating, traces of corrosion near the connectors.
• 🎧 Connect headphones – if they are intermittent, the audio chip may have oxidized (WCD9385 Snapdragon on Snapdragon 888/8 Gen 1).
• 📡 Check network stability: if the phone reboots when calling or turning on mobile Internet – a problem in the communication module.

Decisions:

• 🛠️ Contact the service center for multimeter diagnostics (check voltage on battery contacts, plume resistance).
• 🔧 If the phone falls or gets wet, you will need to solder contacts or change the fee (price from 3000 to 15 000). ₽).
• 🔄 In the models with LPDDR5 memory (Xiaomi) 12S Ultra, Redmi K60) Sometimes helps to warm up the chip with a hairdryer (only in the service!).

⚠️ Warning: If the phone reboots when it vibrates (such as when alerts are made), it may indicate a vibration engine failure or a flexible plume damage!

6.Memory problems: why is it malfunctioning NAND-chip-up

Xiaomi smartphones use memory UFS 2.1/2.2/3.1. If its controller starts to “drop”, the phone can reboot when it is not ready:

• 📸 Video recordings in 4K/60FPS.
• 🎮 Installation of major games (>2 GB).
• 📁 Copying files to a memory card.

How to check:

1. Run a memory test through AIDA64 (storage → Read/write test if speed is lower 300 MB/s — problem.
2. Try to record video at maximum resolution, and if the phone restarts in 1-2 minutes, it's the memory chip.
3. Connect your phone to your PC and check for bad blocks with the help of H2testw (memory-card-only!).

Decisions:

• 🔄 Format your phone via Fastboot (washes everything, but sometimes restores performance).
• 🛠️ Replace the memory module (on new models it is often sealed, so you need to replace the entire board).
• 📱 If the problem is only with the memory card, try formatting it in exFAT instead of the memory card. FAT32.

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Xiaomi with a chip. UFS 3.1 (Xiaomi 13, Redmi K60) Sometimes it helps to disable TurboWrite in the engineering menu## → Testing → Settings → Turn off TurboWrite.

7. Viruses and malware: Can they cause reboots?

Yes, but very rarely, malware usually steals data or displays ads, but some Trojans (e.g. xHelper or Shuanet) can cause system failures.

• 📱 The phone is rebooted when connected to Wi-Fi or mobile network.
• 🔋 The battery goes down quickly even in standby mode.
• 📊 B Settings → Battery visible unknown processes (com.android.system with high consumption).

How to check:

1. Install Malwarebytes or Kaspersky Mobile and do a deep scan.
2. Check the list of installed apps for suspicious ones (such as those with names like System Update or Android Service).
3. Go to Settings. → Annexes → Special access rights → Device administrators and remove unknown programs.

If the virus is found:

• 🔧 Remove it through antivirus or manually.
• 🔄 Reset your phone to factory settings.
• 🛡️ Install an ad blocker (Blokada or AdGuard) and do not install it APK unverified.

What do you do if nothing helps?

If you’ve tried everything, but Xiaomi is still rebooting on its own, there are two options left:

1. Contact the service center (especially if the phone is warranty). For Xiaomi, official SCC is in most major cities. The average cost of diagnosis is 500-1000 ₽.
2. If you're going to have to repair a new phone, it's more likely to be a replacement, like the 8,000-dollar Redmi Note 9 Pro. ₽ You can buy a new Redmi Note 12 for $15,000. ₽.

Before the service visit:

• 📋 Write down all symptoms (when it started, what actions it occurs, frequency of reboots).
• 🔋 Check if the problem is hardware (for example, when pressing the case in the battery area).
• 📱 Make a backup data – the service can reset the phone or reflash it.

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If the phone only reboots when connected to a computer, the problem may be in Qualcomm drivers or MTP. Try to connect in mode. PTP (in the drop-down menu when connected USB).

FAQ: Frequent questions about Xiaomi's spontaneous reboots