Fastboot mode on Xiaomi Redmi 9: why the phone got stuck and how to fix it

Your Xiaomi Redmi 9 suddenly stopped booting and shows a black screen with the words Fastboot and a rabbit in a hat-eared? Don't panic - this is not a brick, but a regular mode for firmware and system recovery. In 90% of cases, the problem is solved without going to the service center, but it is important to act on a clear algorithm.

Fastboot (or bootloader) mode on Redmi 9 can be activated for several reasons: a failed MIUI update, a failure when unlocking the bootloader, a “curve” firmware from third-party developers or even a banal freeze after resetting. In this article, we will discuss all the working ways to exit Fastboot for Redmi 9 (including Redmi 9A/9C/9T modifications and regional versions), and also explain how to avoid typical firmware errors.

So, if you've never seen Android firmware, you better not experiment with manual methods, but if you're willing to be careful, follow the instructions below. Let's start with the simplest.

1. Easy restart: when Fastboot is not a problem

In 30% of cases, Redmi 9 gets into the Fastboot after an update crash or an incorrect shutdown.

• 🔄 Forced reboot: press the power button for 10 to 15 seconds until the screen goes out. Then turn the phone on again. If the system boots, the problem is solved.
• 🔌 Disable charging: Sometimes the Fastboot is activated due to a conflict with the charger. disconnect the cable and reboot.
• 📵 Extraction SIM-Cards: rare, but sometimes the slot SIM It causes crashes. Try taking out the card and restarting the device.

If you do that, you get your phone back to Fastboot again, then the problem is deeper, maybe the firmware is damaged or the bootloader is blocked.

2.Lockloader lock check: why Redmi 9 isn't coming out of Fastboot

One of the most common reasons for hanging out in Fastboot on Xiaomi Redmi 9 is a locked bootloader, which Xiaomi blocks by default to protect against unauthorized changes, and if you tried to flash your phone through MiFlash or TWRP without unlocking, the device may get stuck in this mode.

To check the status of the loader:

1. Connect Redmi 9 to your computer via USB (use the original cable!).
2. Open the command line (Win + R → enter cmd).
3. Enter the command: fastboot oem device-info
4. Find the line Device unlocked: true - the bootloader is unlocked, you can flash. false - the bootloader is locked, you need official unlock.

If the bootloader is locked and you tried to install custom firmware, the phone will cycle back to Fastboot. The solution is one - official unlock through the Mi Unlock Tool (more on this in the next section).

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If the fastboot oem device-info command doesn't work, try fastboot getvar unlocked. On some versions of MIUI, it gives the same result.

3. Unlock the bootloader on Redmi 9: step-by-step instructions

If the check shows that the bootloader is locked (Device unlocked: false), it must be unlocked through the official Mi Unlock Tool. Important: this process erases all data from the phone, so make a backup in advance (if the phone is still turned on).

What you need:

• 💻 Windows computer 7/10/11 (on macOS/Linux The official tool is not working).
• 🔌 Original. USB-cable (cheap cables may not transmit data to Fastboot).
• 📱 Mi Account tied to phone at least 7 days ago (compulsory condition for Xiaomi!).
• 🔧 Mi Unlock Tool (download only from the official website!).

Instructions:

1. Install Mi Unlock Tool and run on behalf of the administrator.
2. Sign in to your Mi Account (the same as your phone!).
3. Connect Redmi 9 to Fastboot (it should be in this mode already).
4. Press Unlock and wait until the process is completed (usually takes 1-3 minutes).
5. Once unlocked, the phone will automatically restart and reset to factory settings.

If the utility is running a "Couldn't unlock" or "Device not connected" error:

• 🔹 Check if the original cable is used.
• 🔹 Try another one. USB-port (preferably) USB 2.0 on the back of the PC).
• 🔹 Turn off all others. USB-devices (mouse, keyboards, flash drives).
• 🔹 Make sure that your phone is identified as Android Bootloader Interface.

4.Redmi 9 firmware via MiFlash: System Restore

If unlocking the bootloader didn't help (or it's already been unlocked), the next solution is to run the firmware through MiFlash, which will bring the phone back to life even if the system is completely damaged. Importantly, the firmware erases all data, so only use it if other methods have failed.

What you need:

• 📥 Stock firmware for Redmi 9 (choose the version for your region!). Download on the official website of Xiaomi or Xiaomi Firmware Updater.
• 🛠️ MiFlash (version 2020 or later).
• 🔧 Qualcomm drivers USB (If MiFlash can't see the phone).

Step-by-step:

1. Unpack the archive with firmware in a folder without Cyrillic characters (for example, C:\Redmi9_Firmware\).
2. Install MiFlash and run on behalf of the administrator.
3. Connect Redmi 9 in Fastboot mode to your PC.
4. In MiFlash, click Select and specify the path to the firmware folder.
5. At the bottom, select firmware mode: Clean all — clean up (recommended for serious crashes); Clean all and lock — clean up + lock the bootloader (use if you want to return the phone to factory state); Save user data — an attempt to save data (does not always work).

Flash

Once the firmware is in place, the phone will automatically restart. It can take up to 15 minutes to launch the first one, which is normal.

1. reconnect the phone to another USB-port.

2. Use a different version of MiFlash (e.g. 2018).

3. Post in mode EDL (Requires an authorized Xiaomi account).-->

5.Typical Fastboot Errors on Redmi 9 and Their Solutions

When working with Fastboot, users often encounter bugs that can be fixed without firmware, and here are the most common ones and ways to fix them:

If none of the methods worked, there may be a hardware problem (e.g., damaged eMMC memory), in which case it is better to contact the service center.

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If the phone still doesn’t turn on after firmware, try pinching Power + Vol+ for 20 seconds – this sometimes helps to wake up the device.

6.How to avoid Fastboot in the future: crash prevention

To prevent Redmi 9 from getting into Fastboot after updates or resets, follow these rules:

• 🔄 Update. MIUI Only through official channels (Settings) → The phone. → System updates: Avoid "custom" firmware if you are not sure of its stability.
• 🔋 Do not interrupt the upgrade process. If the battery is under 50%, plug in the charge before upgrading.
• 🔧 Do not use unofficial unlock tools (for example, MTK Bypass or Deep Flash Cable. They can damage the bootloader.
• 📱 Make backups regularly through Settings → Additionally. → Backup and reset.
• 🚫 Do not remove system applications without root permissions. This can cause a download failure.

If you often experiment with firmware, we recommend installing custom recovery (TWRP) and backups through it, which will allow you to quickly restore the system in the event of a failure.

7. Alternative methods: when nothing helps

If the standard methods didn’t work, try these options:

• 🔧 Firmware through EDL (Emergency Download Mode: Mode EDL This allows you to flash your phone even if the Fastboot is not available, and you need an authorized Xiaomi account (or a box of Mi Account) and a utility called MiFlashPro. This method is more complex, but saves 99% of the bricks».
• 📡 TestPoint: The Redmi 9 board has special contacts (TestPoint) that close the phone to the phone. EDL. This is an extreme method that requires disassembling the device.
• 🔄 Back Rink Firmware: If the phone freezes after the update, try flashing the previous version MIUI (But be careful with the Anti-Rollback!).

For EDL and TestPoint methods, it is better to contact specialists, since improper actions can permanently bring the phone down.

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If you are not sure about your actions, it is better to contact the Xiaomi service center. The cost of recovery through EDL usually does not exceed 1000-1500 rubles, which is cheaper than risking a device.

FAQ: Frequent questions about Fastboot on Redmi 9

If your question isn’t covered in the FAQ, check out Xiaomi’s official resources or contact the XDA-Developers or 4PDA forums where you can find the latest discussions on Redmi 9.

Now you know how to take the Xiaomi Redmi 9 out of Fastboot mode and prevent similar crashes in the future. In most cases, the problem is solved by unlocking the bootloader or by firmware through MiFlash. If you have questions about a specific error, describe it in the comments, and we will help you find a solution!