How to turn on Xiaomi Redmi 9: from standard launch to solving complex cases

Xiaomi Redmi 9 is one of the most popular budget smartphones of the brand, but even with it sometimes problems when turned on. You may have encountered a situation where the phone does not respond to the power button after a complete discharge, software failure or unsuccessful update. In this article, we will discuss all possible ways to turn on Redmi 9 — from basic to emergency, and explain why the device may not start and how to fix it.

It's important to understand that the reasons for not turning on are different, from the usual battery discharge to hardware malfunctions. We will not limit ourselves to the standard "press the power button" instruction, but will consider alternative methods, including forced reboot, connecting to charging with key retention and even entering Fastboot mode for diagnosis. If your Redmi 9 does not show signs of life, do not rush to carry it to the service: in 80% of cases, the problem can be solved yourself.

This article will be useful for both beginners and power users.We will describe each step in detail, add visual hints in the form of checklists and warnings, and answer frequent questions at the end. POCO M3), Note that some methods may differ – check compatibility in the comments.

1. Standard inclusion of Xiaomi Redmi 9: basic instruction

Let's start with the simplest, the standard smartphone switch on, which works if the battery is 5-10 percent charged and the system is not seriously malfunctioning, and here's what you need to do:

1. Connect the charger (if the battery is dead) and wait for the charge indicator to appear on the screen (usually lights up in 5-15 minutes).
2. Press and hold the power button (located on the right side face) for 3-5 seconds until the Redmi logo appears.
3. Release the button and wait for the system to boot up fully (it can take up to 1-2 minutes).

If the phone turned on after this, the problem was a temporary failure or incomplete discharge.

• 🔋 Battery discharged "to zero": at deep discharge Redmi 9 may not show the charge indicator in the first 10-30 minutes. Leave it on charging for at least an hour, then try again.
• ⚡ Non-original charger: If you use a cheap cable or power supply, the phone may not recognize charging.Try the original Xiaomi adapter (5V/2A or 9V/2A).
• 🔄 Logo getting stuck: If you press the power button and the phone loads up to the Redmi logo and doesn't go any further, it's a sign of software failure.

If the standard on-line doesn't work, move on to the next method, forced reboot, but before you do, check if the notification indicator is on (a small LED next to the front camera), its blinking may indicate:

• 📩 Unread notifications (if the phone is on but the screen is unresponsive).
• 🔴 Critical battery discharge (red – less than 5% charge).
• 🟢 Charging in the off state (green or blue).

2. Forced reset (Hard Reset)

If Redmi 9 doesn't respond to the power button or is stuck on the logo, a forced reboot (also known as hard reset) will help. This method doesn't delete data, it just restarts the system. Here's how to do this:

1. Turn off the charger (if connected)

2. Press the power button. + volume-click

3. Hold 10-15 seconds until vibration

4. Release buttons after logo appears-->

Step-by-step:

1. Make sure the phone is not connected to charging (sometimes this prevents the combination from working).
2. Press two buttons at the same time: Power button (right side face) Volume button (left side face).

10-15 seconds

Redmi

Release the buttons and wait for the system to boot (it can take up to 2-3 minutes).

This method works in 90% of freezes, and if the phone is on, but it slows down or makes errors, reboot in safe mode (see section 3).

⚠️ Warning: Don't confuse forced reboot with factory reset! The first method doesn't delete data, the second one erases everything from internal memory. In this section, we're only talking about rebooting.

If the forced reboot didn't help, and the phone:

• 🔳 Does not vibrate when holding buttons - possible hardware malfunction (power button, motherboard).
• 🔥 Heated – this may indicate short circuit or battery problems.
• 🔌 Does not show the charging indicator - check the cable, port USB power-box.

3. Enable in Safe Mode (Safe Mode)

If Redmi 9 is turned on, but immediately starts to slow down, issue errors or reboot cyclically, the problem may be in third-party applications or software conflicts.

How to enter Safe Mode:

1. Turn off the phone (if it is on, hold the power button and select Turn off).
2. Press and hold the power button until the Redmi logo appears.
3. Once the logo appears, press and hold the volume button.
4. Don't let it go until the system is fully loaded. In the bottom left corner of the screen, it says Safe Mode.

In safe mode:

• 📱 All third-party applications removed (only system applications remain).
• 🔧 Widgets and background processes disabled.
• 🔒 Blocked administrative rights for applications.

If you're in safe mode, the phone is stable, the problem is in one of the apps installed.

1. Reset the phone to normal mode.
2. Remove recently installed applications (especially optimizers, antiviruses, or launchers).
3. Check for updates for system applications in Settings → Annexes → Updates.

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If you can't get out of Safe Mode, just reboot your phone in the normal way. All the data will be saved.

⚠️ Warning: Some features, such as fingerprint or facial unlock, are not working in Safe Mode. PIN-code.

4. Solving the problems of hanging on the Redmi logo

If the Xiaomi Redmi 9 is turned on but stuck on the logo (or restarted endlessly) it is a sign of damage to system files.

• 🔄 Failed Software Update (interrupted or error-prone).
• 🛠️ Incorrect root (root) or modification of firmware.
• 🦠 Virus software that damages system components.

Here's what we can do:

Method 1: Resetting cache through Recovery

This method does not delete user data, but clears temporary files that may be causing a crash.

1. Turn off the phone (if it freezes, perform a forced reboot).
2. Press simultaneously: Power button. Volume button.

Recovery Mode

Xiaomi

No command

Use volume buttons for navigation and power button for selection.

Wipe cache partition

Yes

Reboot system now

Method 2: Fastboot Flashing

If the cache reset didn't work, you'll have to go through the phone, which is a much more complicated process, but it restores the efficiency 99 percent of the time.

• 💻 Computer with installed Xiaomi drivers.
• 🔌 Original. USB-cable (better from the set).
• 📁 Firmware for Redmi 9 (download from the official Xiaomi website).
• 🛠️ Mi Flash Tool Tool.

Step-by-step:

1. Turn off the phone.
2. Press the power button. + Volume reduction to enter Fastboot Mode (a hare in a hat-hushanka will appear).
3. Connect the phone to the PC.
4. Launch the Mi Flash Tool, select the downloaded firmware and press Flash.
5. Wait for the process to end (5-10 minutes) and restart the phone.

5. Battery problems: what to do if the phone is not charging

One of the most common reasons Xiaomi Redmi 9 doesn’t turn on is battery problems.

• 🔋 Deep discharge (below 3%).
• 🔌 Faulty charging controller.
• 🔥 Battery bloating (dangerous!).
• 🧲 Oxidation of contacts on the battery or motherboard.

How to diagnose and correct:

Step 1: Checking the charger

Use the original Xiaomi adapter (5V/2A or 9V/2A). Cheap charging may not provide enough current to start a dead battery:

• 🔌 Connect to another source (computer, power bank).
• 🔄 Use a different cable (preferably with Quick Charge support).
• ⚡ Leave on charging for 1-2 hours (even if the indicator does not burn).

Step 2: Forced start with charging

If the battery is discharged to zero, the standard power on may not work.

1. Connect the phone to the charger.
2. Hold the power button for 30 to 60 seconds (even if there is no reaction).
3. Release the button and wait 5-10 minutes. Re-try to turn on.

Step 3: Visual inspection of the battery

If the phone has been disassembled before, check the battery for:

• 🔍 Bloating (if the battery case is deformed - don't turn on the phone!).
• 🧹 Dirt or oxidation on contacts (clean with alcohol).
• 🔌 Damaged wires (if the battery is disconnected).

⚠️ Warning: If the battery is swelling, don't try to charge it or turn on the phone. This can cause fire! Take the device to a service center to replace the battery.

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If the phone does not respond to charging for more than a day, the problem is most likely hardware (power controller, battery or port). USB).

6. Hardware malfunctions: when to carry in the service

If none of the above methods worked, the problem may be in the hardware, and here are the signs that self-repair is not recommended:

• 💥 Phone fell or was hit (may damage to the motherboard).
• 🌊 Fluid ingestion (even if everything is dry, corrosion could damage the contacts).
• 🔥 Overheating during charging or operation (may indicate short circuiting).
• 🔌 Port port USB shattered or not holding cable (sweating problems).
• 📵 Complete lack of response to buttons and charging (possibly burned power controller).

What can be done before contacting the service:

1. Check the display: light up the screen in a dark room with a flashlight, and if the image is barely noticeable, the problem is in the backlight or the plume.
2. Listen to the sounds: there should be a quiet click when connecting the charging (if not, perhaps a problem in the port).
3. Check on another charger: sometimes the problem is in the power supply, not the phone.

The cost of repairing Xiaomi Redmi 9 in service centers (example prices):

If the phone is warranty, don't disassemble it yourself. This will void warranty obligations. Contact the official Xiaomi service center (the list can be found on the mi.com website).

Prevention of inclusion problems

To avoid problems with including Xiaomi Redmi 9 in the future, follow these guidelines:

• 🔋 Don't drain your phone to zero. Optimum charge level is 20 to 80 percent. Deep discharges shorten battery life.
• 🔌 Use original accessories. Cheap cables and charging can damage the power controller.
• 🔄 Updates often contain fixes for critical errors.
• 🛡️ Install applications only from official sources (Google Play, Mi App Store).
• 🧹 Clean the cache once every 1-2 months through Settings → Warehouse → Cleanup.
• 🚫 Do not interrupt software updates. This can cause damage to system files.

It's also useful to know:

• 📲 How to Turn Off Your Phone: Use the Power Menu (Long Press of the Power Button) → Turn off) not the battery (this can damage the file system).
• 🔄 How to restart without a power button: if the button is broken, you can restart the phone through ADB (need a computer) or a scheduled reboot in the settings.
• 🔋 How to Calibrate Your Battery: Every 3 months, perform a full discharge-charging cycle (0% to 100%) to correctly display your charge level.

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If the phone is slowly charging, clear the port. USB from dust with a wooden toothpick (carefully!).

Frequent Questions (FAQ)