How to restart Xiaomi Redmi 9C without the power button: all working methods

A broken power button on the Xiaomi Redmi 9C is not a sentence for your smartphone. Even if the power key fails, there are several alternative ways to reboot the device. In this article, we will examine all available methods, from software solutions to hardware tricks that will help bring the phone back to life without repair.

It is important to understand that some methods require pre-configuration (e.g., USB debugging enabled), while others only work under certain conditions (e.g., if the battery is not fully discharged), and we will describe each method in detail, specify its limitations and give safety recommendations.

If you are faced with a complete failure of the power button, do not rush to carry the phone to the service center. In 80% of cases, the problem can be solved independently in 5-10 minutes, the main thing is to follow the instructions and not miss important nuances.

1. Reboot via the Power Menu (if the phone is on)

The easiest way to reboot the Redmi 9C without a physical button is to use a software menu.

• 🔋 The phone is on and responds to the touch of the screen
• 📱 No major disruption to work MIUI
• 🔄 You need to restart the device, not turn it off completely.

Instructions:

1. Unlock your phone and go to the main screen.
2. Hold the volume button (top key on the sidebar) for 2-3 seconds.
3. In the menu that appears, select Reboot (or Restart).
4. Confirm the action if necessary.

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If the power menu does not appear, check if the gestures of the volume buttons in the settings Special features → gestures of the buttons are turned off.

This simulator simulates the power button and works on all Xiaomi smartphones with MIUI 10 and later. If the menu doesn't open, try the following methods:

2. Shutdown via Developer Mode and ADB

If the power button doesn’t work but you have access to your computer, you can turn off or restart the Redmi 9C via Android Debug Bridge (ADB).This method requires pre-setting, but is reliable in critical situations.

Before starting, make sure that:

• 🖥️ The computer has Xiaomi drivers installed and ADB
• 🔌 The phone has debugging on. USB (Settings → The phone. → Version. MIUI → Press 7 times, then Settings → Additionally. → For developers)
• 📡 Cable USB Supports data transfer (not just charging)

Step-by-step:

1. Connect the Redmi 9C to your computer via USB.
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. To reboot, do: Adb shell reboot
5. For full shutdown: adb shell reboot -p

If USB debugging wasn't enabled in advance, it won't work, so move on to the next one.

Forced reboot through the charger

When the Redmi 9C is completely discharged or unresponsive to touch, you can use a hardware reset via charging, a technique that works thanks to the power scheme of Xiaomi smartphones.

You'll need:

• 🔌 Original or quality charger (better with Quick Charge support)
• 🔋 Battery charge of at least 5% (if the phone reacts even slightly to the connection charging)

How to perform a forced reset:

1. Connect the Redmi 9C to the charger.
2. Hold the volume button + volume button at the same time for 10-15 seconds.
3. Do not release the keys, even if nothing happens on the screen.
4. After 15-20 seconds, the phone should vibrate and restart.

This method works in 60-70% of cases, but may not work if:

• ❌ The battery is completely discharged (you need to wait 5-10 minutes on charging)
• ❌ Motherboard's damaged
• ❌ The phone is in Fastboot mode or EDL

4.Using Recovery Mode to Reboot

If the previous methods didn't work, you can try to enter Recovery mode and reboot your phone from there, which is a good method even in the event of serious system failures.

To enter Recovery on Redmi 9C:

1. Turn off the phone (if it is on, use the charging method from the previous section).
2. Press the volume button + power button (yes, even if the power button is broken, sometimes it works thanks to mechanical contact).
3. Hold on for 8-10 seconds until the Mi logo appears.
4. Release the buttons and you will be taken to the Recovery menu.

On the Recovery menu:

• 🔄 Select the Reboot option → Reboot to System (use volume buttons for navigation, power button for confirmation).
• 🔧 If you need to reset your settings, select Wipe Data (Warning: This will delete all data!).

Make sure that important data is stored in the Mi Cloud|Connect your phone to charge (minimum 30% battery)|Have the original at hand USB-cable|Know your Mi Account if your phone is tied

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Attention! If the phone requests a password after resetting through Recovery, you'll need to enter the Mi Account information that was tied to the device, without which you won't be able to unlock the smartphone.

5. Alternative methods: Fastboot and service teams

For power users, there are additional ways to reboot through Fastboot mode or special service codes, which require technical knowledge, but can save you in a hopeless situation.

How to log in to Fastboot:

1. Turn off the phone (if it is on).
2. Press the volume button + power button for 10 seconds.
3. Release the buttons when the image of the hare in the hat-eared (Fastboot logo) appears.

Then we can go on:

• 🔄 Reboot your phone with the command: fastboot reboot
• 📱 Switch the firmware if the system is damaged.

Service codes for Redmi 9C:

⚠️ Note: Service codes may vary depending on the version MIUI. Some codes (#3646633##) open the engineering menu where careless actions will cause a system to crash.

Mechanical methods: disassembly and closure of contacts

If the software methods didn't work, and the power button didn't physically press, the last thing left is to disassemble the phone and close the circuit board contacts, a method that requires care and is only suitable for users with experience in electronics repair.

What you need:

• 🔧 Plastic blade or mediator
• 🔨 Little cross screwdriver.
• 🧲 Thin metal object (clip, tweezers)
• 📸 Camera (to photograph the location of the parts)

Step-by-step:

1. Turn off the phone (if it is on).
2. Remove the back cover, undercutting it with a spatula around the perimeter (on the Redmi 9C the lid on the latches).
3. Unscrew the screws holding the charge.
4. Find the contacts of the power button (usually signed) PWR_KEY or POWER_SW).
5. Close the contacts with a metal object carefully for 1-2 seconds (this simulates the press of a button).

⚠️ Attention: Incorrect closure of contacts can lead to short circuit and failure of the motherboard. If you are not sure of your skills, it is better to contact the service center. 9C — 800 to 1500 rubles.

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Disassembling the phone will void the warranty (if it is still valid). Before starting work, check the warranty status in the Mi Service app.

Frequent questions about Xiaomi Redmi 9C reboot without power button