Fastboot on Xiaomi Redmi 4X: the reasons for the appearance and 4 ways to remove the mode

Xiaomi Redmi 4X is one of the most popular budget smartphones of the brand, but even he is not immune from a sudden transition to Fastboot mode. If your device is getting stuck on the screen with a hare in a hat-eared and FASTBOOT inscription, do not panic: this is not a breakdown, but an official mode for firmware and diagnostics. In 80% of cases, the problem can be solved independently without contacting the service center.

In this article, we will take a look at what a Fastboot on Redmi 4X is, why a phone spontaneously goes into that mode, and most importantly, how to remove it. You will learn about 4 working methods (from simple to complex), get step-by-step photo instructions and warnings about possible risks, and at the end, answers to frequent questions and tips on prevention.

What is Fastboot and why is it needed on Xiaomi Redmi 4X?

Fastboot mode is a low-level diagnostic mode built into all Xiaomi smartphones based on Qualcomm processors (including Redmi 4X with Snapdragon 435).

• 🔧 Firmware of the device via a PC (for example, when updating or restoring the system)
• 🔓 Unlock the bootloader (bootloader) for installing custom firmware
• 🛠️ Diagnostics of hardware components (memory, communication module, etc.)
• 🔄 Recovery after failures (for example, with a “brick” after an unsuccessful update)

Externally, Fastboot mode on Redmi 4X looks like a black screen with the Mi Bunny logo (hare in the hat) and the inscription FASTBOOT at the bottom, and is controlled via a connection to a computer using the fastboot utility (part of the Android SDK).

⚠️ Warning: If the phone loads into the Fastboot after falling or getting moisture, it may indicate a hardware malfunction.

The difference between Fastboot and Recovery Mode (another service mode):

Why Redmi 4X boots spontaneously into Fastboot: 5 main reasons

If your Xiaomi Redmi 4X suddenly went into Fastboot mode without you, the reasons may be:

1. Firmware failure is the most common cause, occurring when an interrupted OTA update, improper custom firmware installation or conflict of system modules.
2. Power button problems: If the Power button contacts are closed or contaminated, the phone may “think” you’re holding it when you turn it on (a combination for logging into Fastboot).
3. Boot or recovery partition damage: This can occur due to viruses, incorrect root access, or file system errors.
4. Conflict with Magisk or other modules. If you install root rights or modifications through Magisk Manager, one of the modules could damage the bootloader.
5. Hardware malfunctions: Less commonly, the problem involves damage to the motherboard, such as after a fall or overheating.

On Redmi 4X, Fastboot mode often appears after trying to roll back an older version of MIUI via Recovery.This is due to the blocking of downgrade in new versions of Xiaomi firmware.

To determine the cause, pay attention to previous events:

• 🔄 Did you update your firmware before the problem occurred?
• 🛠️ Have you established custom recovery (TWRP) root-right?
• ⚡ Was there any physical impact (impacts, moisture, overheating)?

How to remove Fastboot on Xiaomi Redmi 4X: method 1 – reboot

The easiest way to exit Fastboot mode is by forceful reboot, which works 30-40% of the time unless the cause is firmware damage.

Instructions:

1. Hold the Power button for 15-20 seconds until the screen goes out.
2. Wait 10 seconds, then press Power again for normal boot.
3. If the phone is loaded again in Fastboot, repeat the steps 2-3 times in a row.

If the reboot didn’t help, try an alternative method:

• 🔋 Remove the battery (if possible) from the 1-2 minutes, then insert back and turn on the phone.
• 🔌 Connect the charger and hold the Power. + Volume Up 10 seconds.

⚠️ Attention: On Redmi 4X With a fixed battery, don't try to disassemble the body yourself, it can damage the plumes. 2-4 article.

Method 2: Exiting through Recovery Mode (without data loss)

If a simple reboot doesn’t work, try logging into Recovery Mode and resetting the cache.This method doesn’t delete user data, but requires a workable recovery partition.

Step-by-step:

1. Turn off your phone (hold the power for 20 seconds if it doesn't respond).
2. Press the Power + Volume Up combination and hold until the Mi logo appears.
3. Release the buttons and you will see the Recovery menu (may be in English or Chinese).
4. Use volume buttons for navigation and Power to select Wipe & Reset → Wipe Cache.
5. Confirm the action and wait until it's finished. Then select Reboot → Reboot to System.

If the menu is in Chinese, focus on the icons:

• 🧹 — cleavage
• 🔄 — restart

If the phone is reloaded to Fastboot after the cache is reset, it indicates that the system files are damaged, in which case you can proceed to method 3 or 4.

💡

If Recovery doesn’t have a Wipe Cache option, select Advanced → Wipe Dalvik Cache.This will clear the Dalvik cache, which can also cause loading problems.

Method 3: Firmware via Mi Flash Tool (for power users)

If the first two methods didn't work, the firmware is likely damaged, and you'll need to reflash your phone through Xiaomi's official Mi Flash Tool, which is a good way to do this if:

• 📱 The phone does not boot into the system or recovery
• 🔧 You are ready for possible data loss (if you did not backup)
• 💻 You have a computer with Windows and USB-cable

Step-by-step:

1. Download the necessary files: 📁 Firmware for Redmi 4X (Fastboot version) from en.miui.com (select stable version for santoni - codename model). 🛠️ Mi Flash Tool (last version) from the forum XDA Developers or Official Website. 🔌 Qualcomm drivers for your version of Windows (unless the phone is identified).

Prepare the phone:

• Turn off the device (hold the power for 20 seconds).
• Press Volume Down + Power to log in to Fastboot (if it is not active automatically).
• Connect to the PC and pass: 1. Unpack the firmware in a folder without Cyrillic characters (for example, C:\rom\santoni). 2. Launch the Mi Flash Tool on behalf of the administrator. 3. Click Select and point the way to the firmware folder. 4. Connect your phone to your PC through USB (It should be defined as Qualcomm. HS-USB QDLoader 9008). 5. In the Mi Flash Tool, select Clean All or Clean All and Lock (if you want to block the bootloader). 6. Press Flash and wait until it is completed (5-10 minute).
• Unlock the bootloader via Mi Unlock Tool: 1. Download and install the Mi Unlock Tool from the official website. 2. Connect the phone in Fastboot mode to the PC. 3. Launch the utility and log in to the same Mi Account as on the site. 4. Press Unlock and wait for completion (the phone will restart).
• Swipe your phone again: After unlocking, repeat the firmware through the Mi Flash Tool (method 3) by selecting Clean all mode.

If you do not have experience in electronics repair, it is better to contact the service center. The average cost of diagnostics Redmi 4X - 500-1000 rubles, repair costs 1500-3000 rubles depending on the malfunction.

FAQ: answers to frequent questions about Fastboot on Xiaomi Redmi 4X