Xiaomi phone turns off and on: step-by-step solution

Xiaomi’s arbitrary reboot or endless power cycle is one of the most stressful situations for a smartphone owner: A device can suddenly go out during an important call or, worse, display the Mi logo endlessly without running the operating system. This behavior often indicates critical hardware failures or deep software errors that require immediate intervention.

Ignoring the problem can cause complete data loss or motherboard failure. In most cases, the cause can be localized in one of three directions: CPU overheating, battery failure or system file conflict. It is critical not to try to “warm up” the device in the sun or battery if it is getting stuck — this is guaranteed to disable the display and aggravate chip detachment. The next action depends on whether you manage to get into the settings menu at all or the phone is stuck during the boot phase.

The main reasons for the unstable operation of Android

The first thing to understand is the nature of the failure, and if a Redmi or POCO phone turns off on its own, it's often the result of an internal defense, and the power controller monitors the voltage and temperature, forcefully shutting down the system when the data goes beyond the limits, and it's a defense mechanism that prevents the battery from ignition or exploding.

A common cause is the degradation of the lithium-ion battery, and over time, the capacity drops and the internal resistance rises, which causes the stress to drop sharply during peak loads (camera start, games), the system perceives this as a discharge and emergency shutdown, and overheating can also be the culprit: if the processor does not have time to release heat, trottling is triggered, and then an emergency shutdown.

Software conflicts should not be discounted: Installation of incompatible applications, modified firmware, or damage to system files after a failed MIUI update causes cyclical reboots, in which case the phone can turn on, show the desktop and go out again in a few minutes.

• 🔋 Battery wear and voltage drop under load
• 🌡️ Critical overheating of the processor or charge controller
• 📱 System Process Conflict After Updating MIUI
• 💾 Damage to flash memory or system files

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If the phone only turns off when you run heavy apps, the problem is 90% battery or overheating, not viruses.

Diagnostics of software failures and safe mode

Before you bring your device to the service, you need to rule out the software nature of the malfunction, this is done using Safe Mode, in which Android only loads with system applications, ignoring all user software, and if in Safe Mode the phone is stable and does not turn off, then one of the applications you install is to blame.

To enter this mode on most Xiaomi models, you need to press the power button, and when the turn off menu appears, the "Stop" option on the screen will be prompted to go to Safe Mode. An alternative method is to press the volume down button immediately after the Mi logo appears when it is turned on.

⚠️ Warning: Some network and Bluetooth functions may not work in Safe Mode. This is normal. If your phone stops turning off in this mode, delete the last installed apps one at a time.

If the problem persists even in safe mode, Android system files are likely to be damaged, in which case resetting or flashing helps. Before drastic measures, check if the device memory is full. A packed drive leaves the system no room for temporary files, which causes chaotic reboots.

Hardware problems: battery and power button

Mechanical failures are no less common than software failures. The most common but often overlooked reason is sticking the power button. If there is moisture, sweet liquid or just dust in the gap, the contacts can close, sending the system a signal to restart, check if the button has failed and if it has a clear tactile click.

The second most common cause is battery plume oxidation or bloating. A bloated battery can press on the board's internal components, causing short circuits. If the back of the smartphone starts to move away or the screen goes "wave", immediately stop charging and using the device.

Also worth paying attention to is the charging connector. If the contact in the USB Type-C port is broken, the phone can lose power and shut down even when the cable is connected.

• 🔘 Mechanical Sticking or Oxidation of the Power Button
• 🔋 Battery bloating and charge pressure
• 🔌 Failure of the lower plume or charging connector
• ❄️ Removal of contacts during impacts or falls

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Try to gently (without fanaticism) tap your finger on the back cover around the power button. If the phone reacts by turning on or vibrating, the problem is precisely the mechanics of the button.

Resetting settings and logging into Recovery Mode

If a software failure is confirmed, the only way to save data (if it's still reading) or come back to life is to reset. On Xiaomi devices, this can be done through the settings menu if the phone has time to boot. Way: Settings → About the phone → Settings Reset. Select "Erase all data."

When the phone goes into a bootloop, you will need to log in to Recovery mode. To do this, turn off the device (or wait until it goes out), then press the Volume Up button and the Power button at the same time. Hold until the Mi logo appears, then release power, but keep the volume.

In the Recovery menu, you can navigate with volume buttons and you can choose with power buttons. You need Wipe Data, and remember, this operation will completely destroy all user files, photos and contacts that are not stored in the cloud.

Fastboot and Mi Flash flash flash flashing

When the standard drop doesn't work, you have "heavy artillery" -- complete flashing -- and you use Fastboot mode, you can enter by pressing the Volume Down and Power button, and you'll see a picture of a hare repairing an android, or you'll see the words FASTBOOT.

For the procedure, you will need a computer with Windows OS, USB-The software must be downloaded in advance from the official website or proven resources (for example, xiaomifirmwareupdater).It is important to choose the firmware version corresponding to the region of the device (Global, China, EEA), Avoiding problems with communication frequencies.

adb reboot bootloader


fastboot flash recovery recovery.img




fastboot reboot

The firmware process takes 5 to 15 minutes, during which time you should not turn off the cable or interrupt the power of the computer, interrupting the recording of the system partition can turn the phone into a brick, which can only be restored through paid service boxes.

⚠️ Note: Bootloader unlocking is required to change the firmware region (e.g. from China to Global), but it erases all data and requires waiting 7 days (168 hours) after the account is linked.

Table of error codes and indicators

Understanding the signals that the device is sending helps to diagnose the problem faster, and below are the tabled symptoms and their likely causes for Xiaomi devices.

Frequent Questions and Answers (FAQ)