Why Xiaomiβs smartphone is going into an endless reboot?
If your Xiaomi (whether itβs the Redmi Note 10 Pro, POCO X3 or the flagship Mi 11 series) suddenly started to reboot without stopping, itβs not just an unfortunate accident β a signal of a serious malfunction. Cyclical reboot (or bootloop) can be caused by software failures and hardware problems. In 80% of cases, the fault is the damaged software: a failed update, an application conflict or a failure in the system partition. Less commonly, physical defects: a detached battery, a damaged motherboard or an overheating of the processor.
It's important to understand that the longer a device stays in this state, the greater the risk of data loss or complete failure. For example, constant reboots accelerate the wear and tear of flash memory (eMMC/UF), and in the models AMOLED-screens (like Xiaomi) 12T) You can burn-in, which is the burning of pixels from a static boot logo, so you have to act quickly, but carefully.
In this article, weβll look at all possible causes and solutions, from simple (charge check) to radical (fastboot flashing).Spoiler: Resetting to factory settings helps 60% of the time, but there are nuances you should know about in advance.
1. Check the basics: charging, buttons and environment
Before you dig deeper, rule out trivial reasons. Start with the power source: connect your phone to the original charger (don't use cheap cables!). If the charging indicator flashes or isn't there, the problem may be:
- π Damaged cable/adapter β try another kit, preferably with Quick Charge support (for models) POCO F3 newer).
- π Bloated battery - gently feel the back cover: if it is swollen, immediately turn off the phone and do not turn on until the battery is replaced!
- π‘οΈ Overheating/supercooling β if the phone was lying in the sun or in the cold, let it warm up/cool down to room temperature.
Then check the physical buttons. A sticky Power or Volume Down button can simulate reboot commands. Carefully press each button 5-10 times, sometimes it helps unlock the mechanism. If the buttons fall or creak, you will need to disassemble the device.
β οΈ Note: If the phone only reboots when connected to a charge, this may indicate a short circuit in the port USB-C. In this case, further manipulation of firmware is useless - you need a diagnosis in the service center.
When connected to charging|After the fall/hit|After updating MIUI|By himself for no reason.|Another option-->
Hard Reset: When and How to Do It
If the phone doesn't respond to the PC connection and doesn't boot beyond the MI logo, try a hard reset. It will delete all the data, but it will bring the device back to life. Importantly, the method only works if the bootloader is not damaged.
Instructions for most Xiaomi models (including Redmi 9A, POCO M3, Mi 10T):
- Turn off the phone (if it's on, hold the Power + Volume Up for 10-15 seconds).
- Press Power + Volume Up before the Mi Recovery logo appears.
- From the recovery menu, select Wipe Data β Wipe All Data (use volume buttons for navigation, Power for confirmation).
- Confirm the action and wait until it is completed (may take 5-10 minutes).
- Reboot your phone with Reboot β Reboot to System.
If you reset your phone again, the problem is deeper, maybe the firmware or hardware is damaged, and then move on to the next section.
Backup important data (if the phone is sometimes turned on)|Charge your phone at least 50 times%|Prepare the original cable USB|Make sure the Power and Volume buttons work-->
3. Flashing through Fastboot: step-by-step instructions
When the reset doesn't work, you just have to reflash the phone through the Fastboot, which is a radical but effective method that will bring the device back to a factory state.
- π» Windows computer 10/11 (or Linux/macOS driverless ADB).
- π The original cable. USB-C (better-out-of-pack).
- π₯ Firmware for your model (download from the official Xiaomi website or forum) XDA Developers).
- π οΈ Mi Flash Tool (for Windows) or fastboot in Android SDK.
Algorithm of action:
- Unpack the firmware in a folder without Cyrillic characters (for example, C:\Xiaomi\rom).
- Turn off your phone and press Power + Volume Down to log in to Fastboot (a bunny with the words Fastboot should appear).
- Connect your phone to your PC and launch the Mi Flash Tool. In the program, press Select and specify the path to the firmware folder.
- Select Clean All mode and press Flash.
- Wait for the end (10-20 minutes) and the phone will reboot automatically.
If the process is interrupted with an anti-rollback error, you are trying to install an older version of MIUI than the one before the failure, in which case download the latest stable firmware for your model.
What to do if the Mi Flash Tool can't see your phone?
4. Hardware problems: when a workshop is needed
If neither the reset nor the firmware helped, it was the hardware.
| Symptoms. | Probable cause | Decision |
|---|---|---|
| Reboot when vibrating or pressing the screen | The battery or display plume has detached | Disassembly and soldering of plumes |
| The phone warms and turns off in 2-3 minutes | Failure of the processor or north bridge | Diagnostics in the service (a replacement of the chip is possible) |
| The cycle begins after a fall/hit | Microcracks on the motherboard | Salting of damaged tracks |
| The phone does not turn on without charging, but it is charged | Battery wear (capacity < 60%) | Battery replacement |
It is not recommended to fix hardware problems on your own - without experience, you can permanently disable your phone. For example, when replacing the battery in the Xiaomi 11T Pro, it is easy to damage the flexible NFC plume, and when soldering the board, you can burn the power controller.
β οΈ Note: If the phone only restarts when connected to Wi-Fi or mobile network, the problem may be in the communication module (antenna or chip). RF). In this case, only the replacement of the module will help.
5. Specific cases: bootloop after updating or unlocking
A common cause of cyclical reboots is a failed MIUI update or an attempt to unlock the bootloader. Let's consider both scenarios.
Case 1: Bootloop after OTA-update
If the phone went offline immediately after installing the update "over the air", the fault is in the process of writing system files.
- Download the full firmware (not incremental!) for your model from the official website.
- Fastboot your phone (instructions in section 3).
- If the error repeats, try to roll back to the previous version of MIUI (but consider the risk of being blocked due to anti-rollback).
Case 2: Bootloop after unlocking the bootloader
Unlocking the bootloader through the Mi Unlock Tool sometimes results in a cycle if:
- π Mi Account binding requirements are not met (you need to wait 7-15 days after the binding).
- π± Installed custom firmware without TWRP.
- π§ The old version of the Mi Unlock Tool was used.
Solution: Sweat your phone with the official firmware through Fastboot marked Clean All and Lock (this will block the bootloader again).
fastboot oem edlThis will put the device in mode. EDL, where it can be restored through the Mi Flash Tool using firmware for engineering mode.-->
Alternative methods: TWRP, EDL and service centers
If the standard methods donβt work, there are still advanced options β but they require experience.
Method 1: Installation of TWRP and custom firmware
If the boot loader is unlocked, you can install TWRP Recovery and flash custom firmware (like LineageOS or Pixel Experience) is risky: informal firmware may contain bugs or not support all features (like the ones you see in the pixel, NFC or IR-blaster).
Method 2: Firmware through EDL
Emergency Download Mode (EDL) allows you to restore your phone even with a damaged bootloader.
- π§ Special cable EDL (circuitry).
- πΎ Firmware in.mbn format for your model.
- π₯οΈ QFil (for Qualcomm) or SP Flash Tool (for MediaTek).
This is a complicated and risky method, and a mistake can turn a phone into a brick, and if you're not sure, you should go to the service.
Method 3: Contacting a service center
If all attempts to repair yourself failed, the service remains. Official centers Xiaomi in Russia and the CIS charge for diagnosis from 500 to 1500 rubles.
- π Battery replacement: 1500β3500 β½.
- π§ Rate of plumes/contacts: 2000β5000 β½.
- π₯οΈ Replacement of motherboard: 5000β15000 β½ (model).
π‘
If the phone is warranty, don't try to sew it yourself! This will void the warranty. Take the device to the official service with the check and the box.
7.How to prevent repeated failures: prevention of bootloop
To avoid cyclical reboot in the future, follow these rules:
- π± Update regularly MIUI, Do not install beta versions on the main device.
- π Use original or certified chargers (especially for Quick Charge 4 models)+).
- π‘οΈ Do not unlock the bootloader unnecessarily - this increases the risk of failures.
- π Watch the temperature of the phone: if it warms above 45Β°C, let me cool down.
- π« Avoid memory cleaners and optimizers β they often conflict with the MIUI.
If your Xiaomi has already experienced bootloop, install an application to monitor the status of the battery (for example, AccuBattery) and check the error log through ADB:
adb logcat | grep -i "error\|warning"This will help to identify problems at an early stage.