Why Xiaomi phone freezes: all the reasons and ways to eliminate

Your Xiaomi suddenly stopped responding to touch, apps “hang” for a few seconds, and sometimes the screen freezes for minutes? This problem is familiar to many owners of smartphones brand — from budget Redmi Note to flagship Mi 13 Ultra. Hanging can manifest itself in different ways, from barely noticeable lags when scrolling through the tape of social networks to the complete “freeze” system, when not even the power button helps.

80% of the time, it's not because of the user's crooked hands, but because of MIUI firmware, hardware constraints, or software conflicts. For example, after upgrading to MIUI 14/15, many POCO F5 and Redmi K50 users complained of spontaneous reboots and freezes due to errors in the kernel, and in this article, we'll look at all the possible causes, from trivial overheating to hidden viruses in system files, and provide checklists for diagnosis and solution.

1. CPU overheating: When the phone 'strangles' itself

One of the most common causes of freezes is thermal throttling, which Xiaomi uses to protect chipsets from damage, but sometimes it works too aggressively, such as when playing Genshin Impact on the Redmi Note 12 Pro+, the temperature of the Dimensity 1080 processor can reach 60-65°C, which leads to sharp friezes.

How to understand that overheating is to blame:

• 🔥 The phone body is hot (especially in the top part where the chipset is located).
• ⚡ Hanging occurs during games, shooting videos 4K charger.
• 📉 B Settings → Battery → Battery condition temperature above 45°C.

Decisions:

• 🧊 Remove the case (especially silicone) - it worsens heat transfer.
• 🔄 Turn off the background activity of applications in Settings → Annexes → Auto-start.
• 🎮 For gamers: Activate Game Turbo mode (in some models it optimizes cooling).

⚠️ Warning: If the phone is heated even in a simple (for example, at night), this may indicate a battery malfunction or a short circuit on the motherboard.

Lack of RAM: why MIUI is "squeezing" applications

MIUI is known for its aggressive RAM control policy: it kills background processes to free up memory for active tasks. On paper, this sounds reasonable, but in practice leads to constant hangings when switching between applications. Models with 4-6 GB of RAM (such as the Redmi 9A or POCO M4 Pro) are particularly affected.

How to check:

1. Open the settings → About the phone → Memory.
2. Look at the RAM usage chart. If it's less than 500MB free, that's a critical threshold.
3. Run 3-4 apps (e.g. Telegram, Chrome, Instagram) and try to switch between them. Lag?

Decisions:

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If you have a POCO X3 Pro or another model with a Snapdragon 860 chipset, try turning off Performance Improvement in Settings → Battery → Performance Mode. This feature often conflicts with RAM management.

3. firmware problems: MIUI bugs and "raw" updates

Xiaomi regularly releases updates for MIUI, but not all of them are tested enough. For example, in versions MIUI 14.0.3-14.0.5 for Redmi Note 11 Pro+, there was a bug that caused the system to freeze when connecting to Wi-Fi 6. And in MIUI 15, some users encountered a black screen after locking the device.

Signs of firmware problems:

• 🔄 The freeze started immediately after the update.
• 📱 The screen goes out and does not respond to the power button (requires a hard reboot).
• 🔧 B Settings → The phone. → Version. MIUI The inscription “System Update...” is infinitely.

What to do:

1. Slip back to stable version: Settings → About Phone → System Update → Three dots (menu) → Select the service pack Download the old firmware from the official Xiaomi website (section “Archive”).
2. Reset settings (if rollback does not help): Settings → Additionally. → Recovery and discharge → Resetting settings ⚠️ Note: Save data before resetting! In some models (e.g. Mi 11 Lite) after reset, you may need to re-assign your Mi Account.
3. Install custom firmware (for advanced users). Popular options: Pixel Experience or LineageOS.

4. Application conflicts: when software "presses" the system

Even the most stable hardware can slow down because of poorly optimized applications, most often caused by:

• 🎮 Games with an aggressive anti-cheat system (for example, PUBG Mobile or Free Fire).
• 📱 Launchers from third-party developers (Nova Launcher, Microsoft Launcher).
• 🔒 Clean Master, 360 Security – they often conflict with the MIUI).
• 📲 Automation applications (Tasker, MacroDroid).

How to find the "culprit":

1. Run your phone in Safe Mode (press the power button → Safe Mode) If there are no freezes, the problem is with third-party software.
2. Check error logs: Settings → About Phone → Debugging information → Error logs Look for repeating entries with application names.

Decisions:

• 🗑️ Remove suspicious apps (especially those that request rights) ADMIN accessibility).
• 🔄 Update the problem programs to the latest version.
• 🛡️ Turn off auto-start for unnecessary services: Settings → Annexes → Application management → Auto-start

5.Drive problems: when memory "drips"

Cheap eMMC memory (used in budget Redmi) or worn out UFS-The flash drive (in older models) can cause freezes, and when the memory starts to fall off, the system spends time trying to read/write again, which manifests itself as friezes:

• 📷 Videotaping in the video 4K.
• 🎵 Playing music from memory (for example, in Spotify with offline tracks).
• 📁 Copying large files.

How to check the health of the drive:

1. Install AndroBench from Google Play and run a sequential read/write test. If the speed is below 100MB/s, the memory is degraded.
2. Check it out. SMART-status via engineering menu (enter dial ##4636## → «Testing» → «Memory»).

Decisions:

• 🔧 If your memory is worn out, replace it (at the service center).
• 🗃️ Transfer frequently used applications to SD-card (if supported).
• 🧹 Clear the cache: Settings → Memory. → Clear the cache

⚠️ Note: In Xiaomi models with UFS 2.1/2.2 (Like Mi. 9T Pro after 3–4 In years of intensive use, the “ageing effect” can manifest itself – memory begins to slow down when filling more than one person. 80%. Solution: Keep at least 10–15 GB of free space.

6 Viruses and Malware: Hidden “Parasites”

Xiaomi isn’t as often targeted by virus attacks as Samsung or Huawei, but there’s a risk — especially if you install APKs from unverified sources.Some viruses masquerade as system processes (like com.android.system) and load the processor, causing freezes.

Signs of infection:

• 📈 Unexplained traffic consumption (check in Settings) → SIM-maps and mobile networks → Traffic).
• 🔋 Quick battery discharge (even in simple).
• 📱 Appearance of unfamiliar apps on the menu.
• 🔍 Advertising in unexpected places (such as in the notification curtain).

How to treat:

1. Download Malwarebytes or Kaspersky Mobile and do a deep check.
2. Check ADMIN rights: Settings → Passwords and security → Device administrators Delete suspicious entries.
3. If the virus is sewn into system files, only a complete reset or flashing will help.

💡

Never install. APK-Files from Telegram channels or torrents, even if it's a "free Netflix mod," 90 percent of the time, they contain miners or spyware.

7. Hardware malfunctions: when "iron" is to blame

If all the software methods have been tried and the phone still freezes, it could be the hardware problem.

• 🔋 Battery: A bloated or worn-out battery presses on the motherboard, causing short circuits.
• 📶 Antenna module: if the phone freezes when calling or turning on mobile data, the module may be to blame RF.
• 🖥️ Memory or processor: physical damage (for example, after a fall).
• 🔌 Charging controller: if the freezes only occur when connected to charging.

Diagnosis:

• Check the battery: Settings → Battery → Battery condition If the capacity is less than 80% of the nominal - it's time to change.
• Check your phone for body bloating (especially in the area of the camera).
• Try charging your phone with another cable and power supply.

Decisions:

• 🔧 Replacement of the battery (cost: 1,500–3,000) ₽ model-wise).
• 🛠️ Diagnostics of the motherboard (if the phone fell or got wet).
• 🔌 Replacement of the charging port (a frequent problem with the Redmi Note) 8/9).

8. MIUI Optimization: Hidden Settings for Acceleration

Even if your Xiaomi is fully functional, MIUI is suboptimal by default. Here are some hidden tricks to speed up:

Disabling unnecessary services:

• 📡 Mi Cloud Sync (if you don’t use the cloud): → Xiaomi account → Mi Cloud → Synchronization.
• 📊 Analytics MIUI: Settings → Confidentiality → Analytics.
• 🔊 Touch sounds: Settings → Sounds and vibrations → System sounds.

Optimization of animation:

• Activate the developer mode (7 times tap the MIUI version in the settings).
• Then open Settings → Additional → For developers and install: Windows animation: 0.5x Transition animation: 0.5x Animator Duration: 0.5x

Forced use of GPUs:

• In the same developer menu, enable Forced Use of the GPU (accelerate interface rendering).

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In the models with AMOLED-screen (e.g., Mi) 11 or POCO F4) Turn on the dark theme and set the refresh rate on 60 Hz, not 90/120 Hz. This will reduce the load on the processor and increase the time of operation.

FAQ: Frequent questions about Xiaomi hangouts