Unlocked bootloader on Xiaomi: 7 real benefits and hidden pitfalls

Unlocking the bootloader on Xiaomi smartphones is a hot topic among users. For some, it is the key to limitless customization options, for others, a direct path to loss of warranty and stability. But what does an unlocked bootloader in 2026 actually do? Is the game worth the candle?

In this article, we will analyze not only the obvious advantages like installing custom firmware or obtaining root rights, but also little-known nuances: from the impact on productivity to hidden restrictions. MIUI. You will learn how unlocking affects security, updates, and even banking applications, and why some Xiaomi features stop working after the procedure, and how to avoid them.

If you think that unlocking is only for advanced users, you're wrong. Even a beginner can benefit from it, so you have to understand the implications. Let's start with the most important thing: what exactly changes in the device after unlocking and why Xiaomi is so stubbornly resisting this procedure.

1.What is an unlocked bootloader and why is it needed?

A bootloader is a program that starts before the operating system is booted, and on Xiaomi smartphones, it is locked by default to prevent unauthorized changes to system files, and unlocking removes this restriction by opening access to:

• 🔓 Install custom firmware (e.g. LineageOS, Pixel Experience or MIUI from other regions).
• 🛠️ Getting root rights through Magisk or SuperSU.
• 🔄 Change of system partitions (deletion of embedded applications, modification of the kernel).
• 📱 Recovery of the “bricks” (if the smartphone stopped turning on after an unsuccessful update).

But why does Xiaomi block the bootloader in the first place?

1. Security: A blocked bootloader protects against the installation of malware at the system level.
2. Ecosystem Control: The Company Wants Users to Stay Within the Framework MIUI branded.
3. Warranty obligations: Any manipulation of the bootloader will automatically void the warranty.

Interesting fact: until 2017, unlocking on Xiaomi was much easier – just send a request through the Mi Unlock Tool and wait a few days. Now the process is complicated: you need to link your Mi Account, wait 7-15 days and sometimes even confirm through the phone. SMS.

2.7 Real Benefits of Unlocked Booter

Let’s understand what concretely unlocks – without general phrases and marketing promises.

Install custom firmware: more than just “pure Android”

The most popular reason for unlocking is to be able to install firmware from third-party developers, but what does that mean in practice?

• 🚀 Performance: Some custom firmware (e.g. Pixel Experience) are better optimized than MIUI, and give an increase of 10-15% according to the AnTuTu tests.
• 🆕 Updates: even on older models (Redmi Note 5, Mi 8) you can get Android 13-14, while official support has long ceased.
• 🧹 Lack of Blaatware: No unnecessary Xiaomi apps (Mi Browser, Mi Video, GetApps) that eat up memory and battery.

Important: on some models (e.g. Poco) F5 Xiaomi 13 custom firmware can turn off hardware acceleration of the camera – photos will be worse than on stock MIUI.

Root rights: full control of the system

With the bootloader unlocked, you can get root, which is access to system files with superuser rights.

• 🔋 Optimize the battery: disable background processes that drain the phone (e.g. com.miui.analytics).
• 🎮 Improve the gaming experience: overclock the processor or block ads in games via AdAway.
• 📱 Move applications to a memory card (even if it is not supported by default).

But there's a flip side to this: many banking apps (Sberbank Online, Tinkoff) refuse to work on rooted devices, and the solution is to disguise root through Magisk Hide, but that doesn't always work.

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Before receiving root, back up the persist partition – it is responsible for IMEI And the modems, which damage can leave you without a network!

Possibility of re-establishing the bricks

If your Xiaomi has turned into a brick after a failed update, the unlocked bootloader allows you to:

• 🔄 Swipe your device through Fastboot even without a working system.
• 🛠️ Recover damaged partitions (boot, system) with the Mi Flash Tool.
• 📱 Return the stock firmware if the custom worked unstablely.

Without unlocking in such a situation, you can only contact the service center - and this is time and money.

Modification of system files

With the unlocked boot loader, you can:

• 🎨 Change the boot animation to your own.
• 🔊 Remove system sounds (e.g., annoying camera shutter sound) MIUI).
• 📡 Unlock hidden modem functions (e.g. support for additional modems) LTE-range).

Example: On the Redmi Note 10 Pro, you can activate VoLTE for operators that are not officially supported by editing the build.prop file.

Improved confidentiality

MIUI It is known for collecting telemetry — even if you turn off all settings in the menu, some processes continue to send data to Xiaomi:

• 🚫 Disable com.miui.analytics and other spy services.
• 🔒 Block Internet access for system applications via AFWall+.
• 📵 Remove pre-installed Chinese services (e.g. MiuiDaemon).

Overclocking and undervolting of the processor

Using applications like Kernel Auditor or FrancoKernel, you can:

• ⚡ Disperse CPU/GPU for better performance in games.
• 🔋 Lower voltage (undervoltage) to save battery.
• 📉 Set up the governor (processor mode) for your tasks.

But be careful: improper settings can lead to overheating or sudden reboots.

Installation GSI-Firmware (Generic System Image)

These are Google’s universal firmware that works on any device with Project Treble. Xiaomi (starting with Android 8.0) can be installed:

• 🤖 Android One – pure Android without shells.
• 📱 CalyxOS or GrapheneOS – firmware with enhanced privacy.

Disadvantage: Not all functions will work (e.g., camera or camera) NFC may require further development).

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Unlocking the bootloader doesn't automatically increase performance, it depends on how you use the new features, and without the right firmware and settings, the device can become less stable.

3. Hidden Cons: What do you lose after unlocking?

Not everything is so rosy. Unlocking the bootloader entails a number of restrictions that Xiaomi does not mention.

Loss of warranty and problems with service center

Xiaomi’s official position is that unlocking the bootloader will void the warranty. Even if you return the stock firmware, the service center can detect traces of interference by:

• 🔍 Logs in the misc section (they save the unlock history).
• 📱 Status of the flag FRP (Factory Reset Protection).
• 🔧 Presence of custom recaveri (TWRP).

Some service centers are willing to meet the requirements if the problem is not clearly related to firmware (for example, a broken screen), but in the case of a brick or a malfunction of the motherboard, warranty repair will be refused.

Problems with banking applications and SafetyNet

Most banking applications (SberBank, VTB, Tinkoff, Alfa-Bank) check the integrity of the system through SafetyNet.

• ❌ Applications may refuse to start.
• ⚠️ Some functions (e.g. payment for the NFC) stop working.
• 🔄 Google Pay will not add any cards.

Decisions:

• 🔧 Use Magisk Hide (but it doesn’t always work).
• 📱 Install the Universal SafetyNet Fix module.
• 🔄 Return to the stock firmware without root.

Important: Even if SafetyNet is green, banks can use additional checks (e.g., analysis of installed application lists).

Absence OTA-update

After installing custom firmware or getting root, automatic updates over the air (OTA) You're gonna have to stop working:

• 🔄 Manually download and stitch new versions.
• 📱 Monitor the compatibility of firmware and cores.
• ⚠️ Risk stability when updating (poor firmware can lead to a brick").

Example: Xiaomi 12T After installing Pixel Experience, you will need to install the update TWRP, Which takes 3-4 times longer than OTA.

Problems with Widevine L1 quality of video

Many Xiaomi smartphones lose Widevine support after unlocking L1 — Technology that allows you to watch video in high resolution (1080p+) service:

• 🎬 Netflix.
• 🎥 Disney+.
• 📺 YouTube Premium (for YouTube Premium) HDR-content).

Instead of Full. HD You'll get the most. 720p, And in some cases, the video will play with artifacts, and the only way to solve this problem is to go back to the stock firmware with the bootloader locked.

3.5. The risk of brick and data loss

Firmware errors or module incompatibility can lead to:

• 🧱 Soft-brick (phone is turned on but not booted).
• 🧱 Hard-brick (device not responding to buttons, not determined by computer).
• 💾 Data loss in the userdata section (photos, contacts, messages).

Examples of typical errors:

• 🔴 The firmware is the wrong version MIUI (For example, Global instead of China).
• 🔴 Wrong version TWRP (Xiaomi 11T Pro needs to take reclaimers with support A/B-section).
• 🔴 Interrupting the firmware process (even a short-term shutdown) USB It could fatally damage the system).

Restoring a brick often requires special equipment (EDL-cables and skills that not every user has.

3.6 Restrictions on some Xiaomi features

Some branded chips MIUI They stop working after unlocking:

These problems are not always critical, but can seriously ruin the experience of the device.

Backup all data (photos, contacts, messages)|Check the compatibility of the model with the Mi Unlock Tool|Make sure your Mi Account is linked to your phone|Download stock firmware in case of rollback|Prepare a computer with Windows (Mac/Linux unsupported)|Disable the antivirus (it can block the Mi Unlock Tool)-->

4.How to unlock a bootloader on Xiaomi in 2026: step-by-step instructions

The unlocking process has become more difficult than before.

1. Linking your Mi Account to your device.
2. Waiting 7-15 days after the binding.
3. Confirmation through SMS (on some models).

Let’s look at the Redmi Note 12 Pro.+:

Preparation of the device

1. Activate Developer Mode: Settings → About Phone → MIUI Version (click 7 times)
2. Put the debugging on. USB unlock OEM: Settings → Additionally. → For developers
3. Link your Mi Account to your device: Settings → Xiaomi account → Link the account

⚠️ Note: on some models (Xiaomi 13 Ultra, Mix Fold 3) the account may require confirmation by the user. SMS, Which does not come immediately, but in 24-48 hours.

Installation of the Mi Unlock Tool

1. Download the latest version of the Mi Unlock Tool from the official website.
2. Unpack the archive and launch it. miflash_unlock.exe (Windows only).
3. Sign in with the same Mi Account as you do on your phone.

⚠️ Note: If you have a virtual machine installed or Windows 11 with Hyper-V enabled, the Mi Unlock Tool may not see the device. BIOS Or use a separate PC.

Unlocking

1. Turn off the phone and press Power + Volume down to log into the Fastboot.
2. Connect the device to the PC via the original cable (cheap cables may not transmit data).
3. In Mi Unlock Tool, press Unlock and confirm the action.

It takes 10 to 30 seconds, and when you reboot, you'll see the text. UNLOCKED At the top of the screen, it means that the bootloader is unlocked.

Possible errors and their solutions

If nothing helps, try:

• 🔧 Use the Mi Flash Tool to Firmware Stock MIUI clean-all.
• 📱 Change the Mi Unlock Tool (sometimes older versions work better).
• 🔄 Try another computer (especially if you have Windows 11 with Secure Boot).

5.What to do after unlocking: the first steps

Now that the bootloader is unlocked, you have several ways:

Installation TWRP (squirrel)

TWRP (Team Win Recovery Project is an alternative Recovery that allows you to:

• 📁 Make complete backups of the system (nandroid backup).
• 🔧 Stripping custom firmware and cores.
• 🔄 Recover data after failures.

Instructions for Xiaomi 12 Pro:

1. Download the current version TWRP for your model from the official website.
2. Rename the file to twrp.img and place it in the folder with fastboot.
3. Run the command: fastboot flash recovery twrp.img
4. Immediately after the firmware, pinch the power. + Loudness up to enter into TWRP (Otherwise, the stock Recovery will re-record it).

⚠️ Attention: on devices with A/B-sections (Xiaomi) 11T, Poco F4) need to sew TWRP slot-in:

fastboot flash recovery twrp.img


fastboot flash recovery_b twrp.img

5.2. Getting root rights through Magisk

Magisk is the most popular root tool for getting without losing functionality (e.g. Google Pay can keep working).

1. Download the latest version of Magisk (Magisk-v26.4.zip) from GitHub.
2. Move the file to the phone.
3. Boot in. TWRP and sew Magisk-v26.4.zip.
4. Restart and check root through the Magisk Manager app.

To mask root from banking applications:

• Open the Magisk Manager → Settings → Turn on Magisk Hide.
• Add banking apps to the list of hidden apps.
• Install the Universal SafetyNet Fix module.

Installation of custom firmware

Popular firmware for Xiaomi:

Instructions for installing Pixel Experience:

1. Download the firmware for your model from the official website.
2. Make a full backup in TWRP (boot, system, data sections).
3. Select ZIP through Install → Select ZIP.