How to reboot Xiaomi Mi 9C: all the ways from soft reboot to emergency reset

Xiaomi Mi 9C

misboot

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fastboot

In this article, we’ll look at all the ways you can reboot the Mi 9C, from the standard menu to hidden developer commands, and focus on situations where the phone is stuck on the logo or doesn’t respond to the touch of the screen, and how to avoid the typical mistakes that 80% of users make when forced to reboot.

If your Xiaomi Mi 9C is just slowing down, try a soft reboot through the menu first. This is the safest method that does not violate the integrity of the data. But if the smartphone is completely frozen and does not respond to presses, you will have to use hardware buttons — but here it is important to observe the sequence so as not to aggravate the problem.

1. Standard reboot via menu

The easiest and recommended way is to use the built-in MIUI settings. This is suitable if the phone responds to touch, but is unstable (for example, applications spontaneously close or the interface slows down).

Step-by-step:

1. Unlock the screen (if it is locked).
2. Hold the power button (right) for 1-2 seconds.
3. In the menu that appears, select “Reboot” (or “Restart” if the system is in English).
4. Confirm the action if necessary.

The smartphone will turn off and automatically turn on in 10-15 seconds, a method that doesn’t reset settings or delete data, but shuts down all background processes, which often solves performance problems.

Close all important applications (messaging, banking)

Connect to charging if the battery level is below 20%

Make sure there are no active downloads/updates

Save open documents or browser tabs-->

What if the power button doesn't work? In rare cases, the physical button may be damaged. Then use the virtual power button in Settings → Special Features → Power button on the screen. Or activate the reboot via Google Assistant voices (if OK Google is enabled).

2. Forced reboot (hard reboot) when getting stuck

If the Xiaomi Mi 9C is completely frozen (no touch response, black screen or frozen on the logo), a hardware reset will be required, a technique that mimics battery extraction, but on modern smartphones with a fixed battery, it is performed via a combination of buttons.

How to make a hard reboot:

1. Hold the power button + volume button at the same time.
2. Hold them for 10-15 seconds until the screen goes out and the phone vibrates.
3. Release the buttons and the device will start to restart.

⚠️ Warning: Do not confuse this method with entering Recovery mode (which is activated by the same combination, but with retention until the Mi logo appears). If you see a menu with items in English, then you have held the buttons for too long. → System for a normal reboot.

If the phone doesn’t respond to a hard reboot (for example, after a failed update), try plugging it into charging for 30 minutes, and then repeat the procedure. Sometimes the battery drains to a level where the system can’t initialize the reboot.

3. Restart in Safe Mode (Safe Mode)

Safe Mode helps diagnose problems caused by third-party applications, which only downloads system services and shuts down all user programs, and if the smartphone is stable after restarting in Safe Mode, one of the installed applications is to blame.

How to download in Safe Mode:

1. Turn off your phone (if it freezes, do a hard reboot).
2. When the Xiaomi logo appears, press and hold the volume button.
3. Release it when the "Safe mode" appears in the lower left corner of the screen.

In this mode:

• 📱 Only pre-installed applications are working.
• 🔒 All third party widgets are disabled.
• 🚫 Features that depend on user services are not available (for example, certain settings) MIUI).

To exit Safe Mode, simply restart your phone in the usual way. If the problem is gone, delete apps one at a time, starting with the last ones installed, to find the culprit.

4.Reboot via ADB (for advanced users)

If you have experience with Android Debug Bridge (ADB), You can restart the Mi. 9C This is a method that's useful if the screen isn't working, but USB-debugging was included in advance.

Step-by-step:

1. Connect your phone to your PC through USB-cable.
2. Open the command line (Windows) or the terminal (macOS/Linux).
3. Enter the command to check the connection: Adb devices must appear serial number of your device.
4. Reboot the command: adb shell reboot

For forced reboot (similar to hard reboot) use:

adb shell "echo 1 > /proc/sys/kernel/sysrq; echo b > /proc/sysrq-trigger"

⚠️ Attention: Teams ADB require unlocked bootloader and enabled debugging USB. If these conditions are not met, the method will not work. ADB for rebooting during system updates – this can lead to a device “brick” (an inoperable state requiring flashing through the system) EDL).

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If ADB does not recognize the device, try reinstalling Xiaomi drivers or using the original USB-Cheap cables often don't support data transmission.

5.Reboot through Recovery Mode

The Recovery Mode in the Mi 9C not only resets the device, but also reboots it if standard methods don’t work, a method that is useful if the phone is bootloop or unresponsive to hard reboot.

How to Reboot with Recovery:

1. Turn off your phone (when you freeze, perform hard reboot).
2. Press the power button + volume button and hold until the Mi logo appears.
3. Release the buttons and you will be taken to the Recovery menu (in English or Chinese).
4. Use volume buttons for navigation and power button for selection.
5. Select the Reboot option → System.

If you don't have Reboot on the Recovery menu, you have a custom recovery (like TWRP).

• 🔄 Choose Reboot. → System (in) TWRP).
• 🛠️ If the system doesn’t boot, try Wipe. → Advanced Wipe → Dalvik/ART Cache (this will clear the app cache without losing data).

⚠️ Note: Do not choose Wipe Data unnecessarily – this will result in a complete factory reset and the deletion of all data (photos, contacts, messages).

6. Automatic reboot on schedule

Few people know, but MIUI has a built-in automatic reboot on schedule, and it's useful for:

• 📅 Regularly cleansing RAM (for example, once a week).
• 🔄 Application of Deferred System Updates.
• ⚡ Battery savings (if rebooting occurs at night).

How to set up automatic reboot:

1. Open Settings → Advanced settings → Automatic reboot.
2. Activate the AutoReboot slider.
3. Set the time (e.g. 3:00 a.m.) and frequency (daily/weekly).
4. Press "Ready."

If after setting up the automatic reboot, the phone does not turn off at a predetermined time, check:

• 🔌 Is it connected to the charger (if the condition is selected "Only when charging»).
• 📵 Is not activated mode "Do not disturb" or "Saving charge».
• 🔄 Are there any conflicts with optimization apps (e.g. Greenify).

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Automatic reboots don't replace manual diagnostics, and if a phone is slowing down because of a particular app or a broken firmware, regular reboots only mask the problem, but don't solve it.

Frequent Mistakes and How to Avoid Them

Even a simple reboot can be a problem if you make typical mistakes. Here's what you can't do with a Xiaomi Mi 9C reboot:

❌ Interrupt the reboot halfway through the process (e.g., pull out the battery or hold the power button longer) 20 This may cause damage to the partition. /system and the need for complete re-flashing.

❌ Use hard reboot during the process:

• 📲 System updates (while the load indicator is on).
• 💾 Data records to the internal drive (for example, when installing applications).
• 🔄 Synchronization with Mi Cloud or Google Account.

❌ Ignore low battery power. If the charge level is below 5%, the reboot can end with the phone shutting down due to lack of power.Always plug in the charge if the battery is almost dead.

⚠️ Warning: If the phone doesn’t turn on after rebooting (black screen, no vibration), try it:

1. Connect to charging for 1 hour (possibly the battery is completely discharged).
2. Press the power button + both volume buttons for 20-30 seconds (emergency reset).
3. If it does not help, contact the service center (possible hardware malfunction).

FAQ: Answers to Frequent Questions