Xiaomi bootloader blocked: causes, risks and official ways to unlock

You turned on a Xiaomi smartphone, and instead of the usual logo, you saw the words "This device is locked" or "Bootloader locked"? This means that the manufacturer blocked the bootloader, a low-level mechanism that controls the launch of the operating system, such a lock does not allow you to install custom firmware, obtain root rights or even restore the device through Fastboot after a failure.

Since 2016, Xiaomi has been actively blocking bootloaders on all new models, from budget Redmi to flagship Mi and POCO. The company has motivated this by concern for security: a closed bootloader protects against viruses, unauthorized access and β€œbricks” (turning the phone into a non-working β€œbrick” after a failed firmware).

In this article, we will discuss:

  • πŸ” Why Xiaomi is blocking downloaders and which models are affected
  • ⚠️ How dangerous is unlocking for security and security
  • πŸ“± Official and Unofficial Ways to Unlock in 2026
  • πŸ”§ Step-by-step instructions with pictures for beginners
  • ❓ Frequent Mistakes and How to Avoid Them

What is a Bootloader and why is it blocked?

A bootloader is a program that runs to the operating system. It checks firmware integrity, loads the Android kernel, and transfers control to the system. In Xiaomi, the bootloader is implemented on the basis of Fastboot (for modern models) or EDL (emergency mode for recovery).

When the bootloader is locked, you cannot:

  • πŸ“¦ Install custom recovery (TWRP, OrangeFox)
  • πŸ”“ Get root rights through Magisk or SuperSU
  • πŸ”„ Switch to alternative firmware (LineageOS, Pixel Experience)
  • πŸ› οΈ Restore your phone via Fastboot after a crash

Xiaomi began blocking bootloaders in 2016 after a wave of complaints about β€œbricked” devices, according to the company, up to 30% of calls to service centers were due to failed firmware attempts, blocking this figure reduced to 5%, but deprived users of flexibility.

⚠️ Attention: Unlocking the bootloader will void Xiaomi’s software malfunction warranty, but it does not affect the hardware warranty (screen, battery, speakers.

Year of releaseModels with a blocked loaderModels with unlocked default
2015 and earlierβ€”Mi 3, Mi 4, Redmi Note 2
2016–2018Mi 5, Mi 6, Redmi Note 4XMi Max (first batch)
2019–2021Mi 9, Redmi Note 8 Pro, POCO F1β€”
2022–2026Xiaomi 13, Redmi Note 12, POCO X5β€”
πŸ“Š Your experience unlocking the Xiaomi bootloader?
I haven't tried it yet.
I've already officially unlocked.
Unblocked unofficially
He hoarded his phone when he tried.
I don't know what it is.

The official way to unlock through Mi Unlock

Xiaomi provides a legal unlock tool, the Mi Unlock Tool, which takes between 7 and 360 hours (depending on company policy) and requires you to link your Mi Account to your device.

  1. Link your Mi Account to your phone: go to Settings β†’ Xiaomi Account β†’ Sync and enable the Find Device option.

Once connected, the utility will show a waiting timer: In 2026, the standard time is 168 hours (7 days), but for some regions (for example, India), it can be reduced to 72 hours.

Linking Mi Account to phone|Enable debugging on USB|Download Mi Unlock Tool|Install drivers ADB|Charge the phone. >50%-->

⚠️ Warning: If you sell a phone after unlocking, the new owner won't be able to link their Mi Account for 30 days.This rule is introduced to combat stolen devices.

Informal methods of unlocking: risks and features

If the official method seems too long, some users resort to informal methods, which fall into three categories:

  • πŸ”— Exploits (firmware vulnerabilities, such as DirtyCOW for older versions) MIUI)
  • πŸ’» Paid services (for example, DC-Unlocker or Chinese β€œmasters” on AliExpress)
  • πŸ”§ EDL-Unblocking (through emergency mode using authorized accounts)

The most common unofficial method is unlocking via EDL. It works even on newer models (Xiaomi 14, Redmi Note 13), but requires:

  • Special cable (EDL cable or homemade with closing contacts)
  • Mi Flash Pro or QFilm
  • Authorized Xiaomi account (they are sold on forums for $5–$20)

In 2026, Xiaomi tightened control over the EDL-unlocking: new models now require a unique β€œtoken” from the service center, which is issued only on request from the service center. IMEI This has made the method less accessible to ordinary users.

What happens if you use the informal method?
Unofficial unlocking can result in: - Loss of warranty on all components (including hardware) - IMEI block (phone will stop catching the network) - Remote blocking through Xiaomi servers (if you use a stolen authorized account) - Unstable operation of the NFC module or camera (due to firmware incompatibility)

Frequent Unlocking Mistakes and How to Avoid Them

Even when following instructions, users encounter errors, and here are the most common ways to solve them:

Mistake.Reason.Decision
Couldn’t unlock (100%)Mi Account is not tied to phoneRepeat the binding in Settings β†’ Xiaomi account and wait 24 hours
Current account is different from the account info on the deviceAnother account is authorized on the phonePerform a reset to factory settings and log in with the desired account
Device is locked. Wait XX hoursWaiting timer has not expiredWait until the time is set (no speeding up)
Mi Flash not respondingQualcomm drivers not installedInstall the QDLoader HS-USB Driver manually

Another common problem is that the phone is not detected in Fastboot mode.

  1. Check the cable (you need an original or certified USB Type-C).
  2. Try another one. USB-port (preferably) USB 2.0 on the back of the PC).
  3. Disable driver signatures in Windows: Enter bcdedit /set nointegritychecks on and restart your PC.

πŸ’‘

If the Mi Unlock Tool gives a "Network error" error, try connecting via mobile internet (turn off Wi-Fi) or using a VPN with the China/India region. Xiaomi servers sometimes block requests from other countries.

What to do after unlocking the loader

When the bootloader is unlocked, you have new opportunities β€” but also new risks. Here's what you can do next.

  • πŸ“₯ Install custom recovery (TWRP or OrangeFox) for backups and firmware ZIP-For Xiaomi, the current versions of recovery are laid out on the XDA Developers.
  • πŸ”“ Get root rights through Magisk, which will allow you to remove system applications, change fonts and customize the kernel.
  • πŸ”„ Swipe custom firmware (LineageOS, Pixel Experience, HavocOS).Please note: for new models (Xiaomi) 13/14) You may need a patch for the camera (ANX Camera).
  • πŸ›‘οΈ Return the lock (if you need to hand over the phone for warranty repair). To do this, swipe the official firmware through Mi Flash with the clean all and lock option.

Important: After unlocking, turn off:

  • πŸ”’ Find My Device (You can't find your phone when you lose it)
  • πŸ“‘ Mi Cloud Sync (not synchronized notes, SMS, call-up)
  • πŸ›‘οΈ Anti-Rollback Protection (Protection against rollback on old firmware)

πŸ’‘

Before installing custom firmware, always check compatibility with your phone model by name code (such as tucana for Redmi Note 8 Pro).

Xiaomi models that can’t be unlocked in 2026

Despite official support for unlocking, some Xiaomi models have limitations:

  • πŸ“΅ Devices for the Chinese market (Mi 11 Ultra China, Redmi) K40 Pro – require Chinese Mi Account and phone number +86.
  • πŸ”’ Smartphones with MediaTek processor (Redmi 10, POCO M3) β€” There are no stable methods of unlocking through Fastboot.
  • 🚫 Anti-rollback devices (Xiaomi) 12T, Redmi Note 11 Pro+) β€” When rolling back on the old firmware, camera and network modules are blocked.
  • πŸ”§ Phones with hardware binding (Black Shark, Mi Mix Fold) - unlocking is possible only through the service center.

For these models, the only legal way to get root or custom firmware is to use virtual environments (like UserLAND to run Linux inside Android) or cloud services (Termux with remote access).

⚠️ Attention: Starting with MIUI 14, Xiaomi implemented a "Dynamic Partition" mechanism that breaks up memory into logical partitions. TWRP It can cause data loss without recovery.

FAQ: Answers to Frequent Questions

❓ Can I unlock the bootloader without waiting 168 hours?
Officially, no. Unofficially, you can try: Use a Mi Account registered in India (sometimes shortened to 72 hours); contact Xiaomi's service center to ask you to unlock the bootloader "for testing" (not in all countries); Buy an authorized account for the user. EDL-Unlocking (risky) Any unofficial method can lead to a block IMEI.
❓ Unblocking will delete my data?
No, unlocking the bootloader via the Mi Unlock Tool does not erase user data. However: When installing custom recovery (TWRP), you may need to format the data partition. The firmware of a custom OS (for example, LineageOS) usually involves a full reset.
❓ Why does it not work after unlocking? NFC camera?
This is a typical problem for new models (Xiaomi 12/13/14, Redmi Note 11/12). Causes: No patch for custom firmware (for example, ANX Camera for GCam); kernel incompatibility with the NFC module (you need to flash a special NFC fix); Anti-Rollback protection (if you roll back on the old firmware) Solution: find the the theme of your model on XDA and download the corresponding fixes.
❓ Can I unlock the bootloader on a phone with a broken screen?
Yeah, but it's more complicated. You're going to need: Connect your phone to your PC and control it using adb or scrcpy. OTG-To enter the Fastboot, hold the Volume down. + Nutrition (on some models - Volume up) + If the phone is not detected, try flashing the official firmware through Mi Flash in mode. EDL (You will need an authorized account).
❓ How to check if the bootloader is unlocked?
There are three ways: Turn off your phone and turn it on with the Volume down button pressed. If you see the words "Unlocked" under the Fastboot logo, the bootloader is unlocked. Type the command in the ADB terminal: fastboot oem device-info Look for Device unlocked: true. Install the Bootloader Checker app from Google Play (not all models).